| I | = | ego |
| ice | = | glacies |
| icy | = | gelidus, glacialis, gelidus |
| icy coldness | = | gelus |
| idea | = | informatio |
| ideal | = | specimen |
| idleness | = | situs |
| if | = | si, si |
| if not | = | nisi |
| if you wish | = | sis (=si vis) |
| if..or if | = | sive |
| ignoble | = | ignotus |
| ignominy | = | pudor |
| ignorant , be - (vb) | = | ignoro, nescio |
| ignorant | = | insciens, ignotus, ignarus |
| ignore (vb) | = | dissimulo |
| ill | = | aegrotus, gravatus, ęger, aegrus, aeger |
| ill in bed, be - | = | cubo |
| ill-fated | = | abominosus |
| ill-fit | = | inhabilis |
| illness | = | aegrotatio egrotatio, morbus, morbus |
| illuminate | = | illustro, accendo |
| illustrious | = | egregius, inclitus, clarus, fulgens |
| im- | = | abs- |
| image | = | imago, statua |
| imbibe | = | imbibo |
| imbue (vb) | = | imbuo |
| imbue | = | inficio infeci infectum |
| imbued | = | suffusus |
| imitable | = | imitabilis |
| imitate (vb) | = | imitor |
| imitate | = | reddo |
| immatate | = | assimulo |
| immature | = | crudus |
| immediately | = | iam, ilicet, continuo (adv.), protinus, confestim |
| immersed | = | seputus |
| imminent, be - | = | immineo, impendeo |
| immoderate | = | immodicus |
| immortal | = | immortalis |
| immovable | = | insuadibilis |
| immoveable | = | torpeo |
| impair | = | attero, labefacio labefeci labefactum |
| impaired | = | infractus |
| impart (vb) | = | reddo |
| impart | = | vulgo |
| impatience | = | ardor |
| impede (vb) | = | tardo, retardo |
| impede | = | cunctor |
| impediment | = | impedimentum |
| impel | = | impello impuli impulsum |
| impell/cite | = | profero |
| impenetrable | = | impenetrabiilis |
| imper v. | = | licet, oportet |
| imperfect | = | trunco |
| imperious | = | imperiosus |
| impetuous | = | vehemens |
| impetuously | = | vehementer |
| impious | = | nefarius, sacrilegus |
| implant | = | ingenero |
| implore (vb) | = | obtestor |
| import | = | affamen |
| importance | = | gravitas |
| important | = | gravis, magnus maior maximus |
| imposing | = | speciosus |
| impossible , be - (vb) | = | nequeo |
| impossible to catch | = | incomprehensibilis |
| impostor | = | praestigiator |
| impotent | = | inermis |
| impoverished | = | inops |
| impregnable | = | inexpugnabilis |
| impreovement | = | lenimentus |
| impress | = | infigo |
| impress upon | = | inculco |
| impress upon one. to remind (vb) | = | commoneo |
| imprint (vb) | = | infigo |
| imprisonment | = | captio, ligatio |
| improve | = | amplio |
| improvident | = | improvidus |
| imprudent | = | temerarius, inconsultus |
| impudent | = | impudens, improbus |
| impudently | = | impudenter |
| impulse | = | impetus, impetus, pulsus, conatus, conflictus |
| impulses | = | incursus |
| impure | = | immundus, immunda |
| impurities | = | feculentia, faex |
| impute | = | reputo, delego |
| in | = | in (+ abl.), in |
| in a certain condition | = | habitus |
| in a certain measure | = | quodammodo |
| in a certain way | = | quodammodo |
| in a concealed manner | = | latenter |
| in a confused way | = | confusim |
| in a cruel manner | = | crudeliter |
| in a different fashion | = | aliter |
| in a disorderly manner | = | incomposite |
| in a filty manner | = | foede |
| in a hostile manner | = | infeste |
| in a kindly | = | comiter |
| in a laudable fashion | = | laudabiliter (adv) |
| in a like manner | = | juxta |
| in a peasant manner | = | rustice (adv) |
| in a rusticway | = | pagatim |
| in a state of war | = | belliger |
| in a village manner | = | pagatim |
| in a way | = | tanquam |
| in an accordance with | = | secundum |
| in an unseemly manner | = | turpiter |
| in and out | = | commeo |
| in another way | = | aliter, aliusmodi |
| in any respect whatever | = | ullatenus |
| in both directions | = | utroque |
| in chains | = | ferratus |
| in close combat | = | comminus |
| in confusion | = | trepide |
| in connection with | = | a ab abs (prep + abl) |
| in every part of the world | = | undique secus |
| in every way | = | omnifariam |
| in exchange for | = | contra |
| in fact | = | quin etiam, vere, enim, verum-i, enim |
| in flocks | = | gregatim |
| in front | = | prae pre (adv.) |
| in front of | = | pro, pro (+ abl.), ante (prep. + acc.) |
| in general | = | universe, alioquin (adv.) |
| in great profusion | = | abunde |
| in his own name | = | verbis suis, meis, etc |
| in like manner | = | iuxta, pariter |
| in many ways | = | multifariam, multipliciter |
| in masses | = | catervatim |
| in name | = | nomine tenus |
| in need | = | inops |
| in need of | = | egenus |
| in no place | = | nusquam |
| in no wise | = | nequaquam, nullatenus |
| in one | = | una (adv.) |
| in order not to | = | ne (conj.) |
| in order that .. not | = | ne (conj.) |
| in order that | = | quatenus/quatinus, potius, quatenus |
| in order to | = | gratia |
| in other respects | = | alibi |
| in present cirumstances | = | impraesentiarum |
| in reality | = | revera |
| in reserve | = | subsidarius |
| in return | = | rursus |
| in return for | = | pro (+ abl.) |
| in rich abundance | = | cumulatius |
| in secret | = | clam, occulte |
| in short | = | denique |
| in single fortresses | = | castellatim |
| in some direction | = | aliquo (adv.) |
| in some respects | = | alioquin (adv.) |
| in such a way that | = | ita ut (with subj.) |
| in that direction | = | illac |
| in that matter | = | ibidem, illic |
| in that place | = | inibi |
| in the common way | = | vulgariter |
| in the end | = | iam tandem |
| in the first place | = | primum |
| in the highest | = | in excelsis |
| in the least degree | = | minime |
| in the next place | = | tum |
| in the presence of | = | apud (prep. + acc.) |
| in the rear | = | tergo (a tergo ) |
| in the same place | = | ibidem |
| in the underworld | = | infra (adv.) |
| in the way | = | obviam, obviam (adverb), obvius |
| in time past | = | pridem |
| in troops | = | gregatim, catervatim |
| in truth | = | vero, re vera, quidem |
| in turn | = | porro, vicissim |
| in vain | = | incassum, casso, inritus irritus, frustra |
| in various ways | = | multipliciter |
| in vilages | = | pagatim |
| in want of | = | egenus |
| in what manner | = | quemadmodum, quomodo |
| in whatever manner/way | = | qualiter |
| in whatever way | = | quomodo |
| IN WHICH (province) | = | cui (fem. sing. dat.) |
| in white | = | cretatus |
| in- | = | abs- |
| in-bringing | = | messis |
| inactive | = | lentus, torpeo |
| inactivity | = | situs |
| inane | = | inanis |
| inasmuch as | = | utpote |
| incantation | = | carmen |
| incentive | = | fomes, stimulus |
| incessantly | = | incessanter |
| incite | = | cohortor, concitare, instigo, sollicito, hortor |
| incited | = | instigatus |
| incitement | = | suffragium |
| inciter | = | aspirator |
| incivility | = | inhumanitas, importunitas |
| inclination | = | mos, voluntas |
| incline | = | vergo, acclinare, inclino |
| inclined | = | proclivus |
| inclined to | = | promptus |
| inclined to do , be - (vb) | = | faveo (+ inf.) |
| inclined to steal | = | furax |
| inclined, be - | = | acclinare |
| inclining toward | = | petitus |
| include | = | contineo, comprehendo |
| income | = | reditus |
| incommode | = | aggravo |
| incomparable | = | incomparabilis |
| incomplete | = | infectus |
| incomprehensible | = | incomprehensibilis |
| inconsiderate | = | incogitatus, inconsideratus, inconsultus |
| inconsistency | = | inconstantia |
| inconsistent | = | inconstans, incongruens |
| inconsistently | = | inconstanter |
| inconsolable | = | inconsolabilis |
| inconstan | = | devius |
| inconstancy | = | levitas |
| inconstant | = | volaticus, levis |
| inconstantly | = | inconstanter |
| incontinence | = | incontinencia |
| incontinent | = | incontinens |
| inconvenience | = | inopportunitas, incommoditas |
| inconvenient | = | difficilis, incommodus |
| inconveniently | = | incommode |
| increase (vb) | = | augmento, pullulo, amplifico, augeo |
| increase | = | autus, auctus, increbresco (-ere), augeo, adaugeo |
| increasingly | = | incrementabiliter |
| incredible | = | incredibilis |
| incredulous | = | incredulus |
| increment | = | incrementum |
| inculcate | = | prodoceo |
| incur | = | incurro |
| indeed | = | sane (adverb), siquidem, enimvero, enim, iam, sane |
| indeed, for - | = | etenim, namque |
| indefatigable | = | impiger |
| independence | = | libertas |
| independent | = | liber libera, liberum |
| indescribable | = | indicibilis, inennarabilis |
| indestructible | = | indissolubilis |
| indicate (vb) | = | demonstro |
| indication | = | testimonium, indicium, signum |
| indifferently | = | indifferente |
| indigence | = | indigentia |
| indigenous | = | terrigenus |
| indigent | = | inops |
| indignant | = | indignatus |
| indignation | = | indignatio |
| indiscreetly | = | inconsulte |
| indiscriminate | = | promiscus promiscuus |
| indiscriminately | = | indifferenter, passim |
| indispensable | = | necesse (adj.) |
| indisposition | = | imbecillitas |
| indissoluble | = | insolubilis |
| individual | = | specialissimus |
| indoctrinate | = | prodoceo |
| indolen | = | frigus |
| induce | = | adduco, concludere, induco, induco indux inductum |
| indulgence | = | venia, obsequium, clementia, obsequium |
| indulgent | = | indulgens |
| industrious | = | industrius |
| industry | = | diligentia |
| ineffectual | = | inefficax, irritus, inritus irritus |
| ineffectually | = | inefficaciter |
| inequitable | = | iniustus |
| inert | = | ignavus, torpeo |
| inestimable | = | inaestimabilis |
| inexpensive | = | vilis, insumptuosus |
| inexperienced | = | novus |
| inexplicable | = | inedicabilis |
| inexpressible | = | indicibilis, inedicibilis |
| infamous | = | flagitiosa, scelestus, famosus |
| infamy | = | labes labis |
| infancy | = | incunabula, infantia |
| infant | = | infans, parvulus |
| infantryman | = | pedes |
| infatuation | = | amor |
| infect | = | contamino, contineo |
| infected | = | aeger |
| infection | = | contagio contagium, contagio |
| infer (vb) | = | infero (in logic) |
| infer | = | concludere, coniecto |
| inferior | = | improbus |
| inferior to, be - | = | cedo (+ dat.) |
| infertile | = | infelix, infructuosus |
| infinite | = | infinitus |
| infinity | = | infinitas infinitio |
| infirm | = | decrepitus, consenesco |
| infirmity | = | infirmitas |
| inflame | = | accendo, inflammo, peruro perussi perustum |
| inflamed, be - (vb) | = | exardesco |
| inflamed, be - | = | caleo |
| inflate (vb) | = | inflo |
| inflated | = | inflatus |
| inflation | = | inflatio |
| inflection | = | declinatio |
| inflict injury | = | noceo (+ dat.), noceo |
| influence | = | induco indux inductum, duco, curvo, pulsus |
| influenced | = | adfectus affectus (fr. adfici |
| inform fully (vb) | = | edoceo |
| informant | = | intentor |
| information | = | indicium |
| informed | = | edoctus |
| informer | = | quadruplator |
| infractio aninimi dejection | = | infractio |
| infrequent | = | infrequens |
| infuit] to be in or on | = | insum |
| infuse (vb) | = | refundo |
| ingenious | = | solers, faber |
| ingeniously | = | fabre |
| ingenuity | = | versutia, sollertia |
| inglorious | = | inglorius |
| ingress | = | aditus |
| inhabit (vb) | = | inhabito |
| inhabit | = | commoror |
| inhabitant | = | colonus, incola |
| inhabitant of a place | = | incola, ae |
| inhabitant of vill or farm | = | villanus |
| inhabitants | = | commorantes |
| inhabitants of a district | = | pagenses |
| inheritance | = | hereditas |
| inhibit | = | stringo |
| inhospitable | = | inhospitus, inhospitalis |
| inhuman | = | inhumanus |
| inhumanity | = | inhumanitas, crudelitas |
| inhumanly | = | inhumane |
| iniquity | = | iniquitas |
| initiated | = | coepi |
| initiative | = | orsus |
| initimate or special friend | = | specialis |
| injure (vb) | = | adflicto affligo, violo |
| injure | = | capio, misfacio, vulnero |
| injurious | = | pestifer, nocens |
| injurously | = | pestifere |
| injury | = | damnum, malum, iniuria |
| injustice | = | iniquitas, iniuria |
| inlay | = | crusta |
| inn | = | tabernus, hospitium |
| innate character | = | ingenium |
| inner | = | intestinus, penetralis, penitus |
| inner feeling | = | sinus |
| inner rooms | = | penetralis (noun) |
| innocent | = | innocuus, insons insontis, indemnis, inculpatus |
| innundation | = | eluvies, proluvier |
| inopportune | = | inopportunus |
| inquire (vb) | = | interrogo |
| inquire | = | percontor percunctor, scisco, cognosco |
| inquiry | = | consulatio, interrogatio |
| inquisitive | = | curiosus |
| inquisitiveness | = | curiositas |
| inroad | = | ingressus |
| insane | = | demens (dementis ), amens, inasnum |
| insanity | = | insania |
| inscribe | = | inscribo |
| inside | = | penitus (adv.), in |
| inside the walls of the town | = | per moenia urbis |
| insignia | = | infula |
| insignia of office | = | infula |
| insignificant | = | pusillus |
| insincerity | = | tortitudo |
| insinuate (vb) | = | insinuo |
| insinuate oneself (vb) | = | irrepo |
| insolence | = | importunitas |
| insolent | = | contumax, impudens |
| insolently | = | contumeliose, impudenter |
| inspect | = | considero, pervideo, inviso |
| inspiration | = | inflatus |
| inspiration, by - | = | divinitus |
| inspire (vb) | = | inspiro |
| inspire | = | inicio inieci iniectum, incito, addo |
| inspired | = | fanaticus, furibundus, attonbitus |
| inspiring | = | inflammatio |
| instability | = | infirmitas |
| instance | = | nam |
| instantly | = | jugiter, obnixe, statim |
| instead of | = | pro, pro (+ abl.) |
| instigate (vb) | = | hortor |
| instigate secretly | = | suborno |
| institute | = | instituo |
| institution | = | institutio |
| instruct (vb) | = | praecipo, informo, doceo docui doctum |
| instruct | = | moneo, erudio, paecipio, erudio, precipio |
| instruct thoroughly (vb) | = | edoceo |
| instruct thoroughly | = | edoceo |
| instructed | = | aspersus, doctus |
| instruction | = | doctrina, eruditio, mandatum |
| instructor | = | magister |
| instrument | = | organum |
| insult | = | insulto, vituperium |
| insurrection | = | seditio |
| integrity | = | integritas |
| intellect | = | animus, animus, mens mentis |
| intelligence | = | nous |
| intensely | = | valde, valde |
| intent | = | intentio |
| intention | = | mens mentis, intentio, propositum |
| intentionally | = | consilio |
| inter (vb) | = | humo |
| inter | = | tumulo, sepelio |
| intercede | = | deprecor |
| intercede? | = | deprecor |
| intercept (vb) | = | intercipio intercepi intercep |
| intercept | = | excipo |
| intercession by saint with god | = | suffragium |
| intercessor | = | deprecator |
| interchanged | = | mutuus |
| interest | = | causa |
| interior | = | penitus, penetralis (noun) |
| interjection | = | interiectio |
| intermingle (vb) | = | commisceo |
| intermittent | = | abruptus |
| internal | = | intestinus, penitus, penetralis |
| internal organs | = | viscus |
| interpose | = | interpono |
| interpret | = | verto |
| interrogate (vb) | = | percunctor |
| interrogate | = | percontor percunctor |
| interrogation | = | interrogatio |
| interval | = | spatium, intercapedo, interpolatio |
| intervene | = | interpono |
| intestine | = | chorda |
| intestines | = | ile |
| intimacy | = | familiaritas, propinquitas, consuetudo |
| intimate | = | familiaris, insinuo |
| intimidate | = | territo, territo |
| intinerant | = | vulgivagus |
| into | = | in, in (+ acc.) |
| intoxicate (vb) | = | debrio |
| intoxicated | = | ebrius, appotus |
| intoxication | = | crapula |
| intricate | = | scrupulosa |
| introduce | = | induco, introduco, induco indux inductum |
| intrust | = | committo |
| inundation | = | inundantia, eluvio |
| inure | = | consuesco |
| invader | = | pervasor |
| invalid | = | inritus irritus |
| invalidate | = | infirmo |
| invalidating | = | infirmatio |
| invaluable | = | inaestimandus |
| invasion | = | incursio |
| invective | = | invectio |
| invent | = | extundo, reperio |
| invention (vb) | = | adinventio |
| inventor | = | inventor |
| invest | = | obsideo, obsido |
| investigate | = | rimor, scisco, percontor percunctor, investigo |
| investigation | = | indagatio |
| invigorate (vb) | = | vegeto |
| invigorating | = | vegetabilis |
| invite (vb) | = | invito |
| invite tenders for | = | ablocare |
| invocation | = | invocatio |
| invoke | = | precor |
| inward | = | internus, penitus |
| Irish | = | Hirenses, Irenses |
| irksome | = | incommodus |
| iron | = | ferrum, ferrum, ferrum, chalybs |
| iron implement | = | ferramentum |
| iron mines | = | ferrarius |
| iron-clad | = | ferratus |
| ironically | = | irrisorie, ironice |
| irony | = | ironia |
| irrational | = | insensatus |
| irrationality | = | insania |
| irregularly | = | incomposite |
| irremediable | = | desperata |
| irreproachable | = | integer |
| irreverent | = | impius |
| irritate (vb) | = | exaspero, irrito |
| irritate | = | vexo, exulcero |
| irritated , be - (vb) | = | succenseo |
| irritated with | = | stomachata |
| island | = | insula |
| isolate | = | semoveo |
| isolated | = | semotus |
| isolation | = | solitudo, loginquitas |
| issue | = | exorior |
| it | = | ille illa illud, is ea id |
| it behooves | = | oportet |
| it causes shame | = | pudet |
| it concerns | = | refert (impersonal) |
| it is agreed | = | placet |
| it is allowed | = | licet |
| it is certain | = | constat |
| it is clear | = | videlicet |
| it is finished | = | ilicet |
| it is fitting | = | oportet |
| it is just | = | scilicet |
| it is needful | = | oportet |
| it is proper | = | oportet, oportet |
| it is resolved | = | placet |
| it is right | = | licet |
| it is seemly | = | decet |
| it is worthwhile | = | operae pretium est |
| it makes a difference | = | refert (impersonal) |
| it says | = | inquit |
| it seems good | = | placet |
| Italy | = | Italia |
| itch (vb) | = | prurigo |
| itch | = | prurire |
| itch | = | scabies |
| iterate | = | itero |
| its | = | suus |
| itself | = | sui, sese, ipse ipsa ipsum |
| ivy | = | hedera, cissus |