| θα | = | shall |
| θα γελάσεις γιά αυτό αργότερα | = | you will laugh about it later |
| θα γίνει μια μεγάλη θύελλα | = | there is a storm brewing |
| θα διαγράψω το ονομά σου | = | I will cross your name out |
| θα είναι πολύ πετυχημένη | = | she will go a long way |
| θα έπρεπε | = | should, ought to |
| θα έχει πολλή επιτυχία | = | she will go a long way |
| θα ήταν καλύτερα | = | had better |
| θα πρέπει | = | ought |
| θα πρέπει να συνεχίσεις την π | = | you should go on trying |
| θα προτιμούσα | = | I'd rather |
| θα σε δω σύντομα | = | see you soon |
| θα σου κάνει καλό | = | it will do you good |
| θα σου το δανείσω | = | I will lend it to you |
| θα του μιλήσω γιά αυτό | = | I will speak to him about it |
| θάβω | = | bury |
| θαλάμη | = | nest, chamber |
| θαλαμηγός | = | yacht, cabin cruiser |
| θαλαμηπόλος | = | steward, valet |
| θαλαμίσκος | = | cubicle, cabin, locker |
| θάλαμος | = | chamber, ward, booth |
| θάλαμος (σε τραίνο) | = | compartment |
| θάλαμος αερίων | = | gas chamber |
| θάλαμος εγχειρήσεως | = | operating theatre |
| θάλαμος νοσοκομείου | = | hospital ward |
| θάλασσα | = | sea |
| θαλάσσια σπορ | = | watersports |
| θαλασσινά | = | seafood, shellfish |
| θαλασσινά φυτά | = | sea plants |
| θαλασσινή | = | tidal |
| θαλασσινό λιοντάρι | = | sea lion |
| θαλασσινό ταξίδι | = | voyage |
| θαλάσσιο πάρκο | = | sea park |
| θαλάσσιο ποδήλατο | = | pedalo |
| θαλάσσιο σκι | = | water skiing |
| θαλάσσιος | = | marine |
| θαλασσοαετός | = | white tailed eagle |
| θαλασσοβραχιόνας | = | firth |
| θαλασσοκόρακας | = | shag |
| θαλασσοσφυριχτής | = | Kentish plover |
| θάλλιο | = | thallium |
| θάμνοι | = | bushes, scrub |
| θάμνος | = | shrub, bush |
| θαμνοψάλτης | = | dunnock |
| θαμνώδης έκταση | = | bush |
| θαμπάδα | = | dimness |
| θαμπό τζάμι | = | frosted glass |
| θαμπός | = | dim, dusty |
| θαμπώνω | = | dazzle, blind |
| θαμώνας | = | patron |
| θανάσιμος | = | mortal |
| θανατηφόρα | = | fatally |
| θανατηφόρος | = | fatal |
| θανατική ποινή | = | capital punishment |
| θάνατοι | = | fatalities |
| θάνατος | = | death, fatality, demise |
| θάνατος από ατύχημα | = | death by misadventure |
| θανατώνω | = | put down (an animal), put down |
| θαρραλέα | = | boldly |
| θαρραλέος | = | bold, mettlesome, stout, courageous |
| θαρρεύω με κάποιο | = | take liberties with |
| θάρρος | = | mettle, courage |
| θαρρώ | = | methinks |
| θαύμα | = | wonder, miracle |
| θαυμάζω | = | look up to, admire, marvel at |
| θαυμάσιος | = | marvellous, wonderful, superb |
| θαυμασμός | = | wonder, admiration |
| θαυμασμός μέχρι ειδωλολατρεία | = | idolisation |
| θαυμαστά | = | marvellously |
| θαυμαστής | = | admirer |
| θαυμαστός | = | admirable, wondrous |
| θεά | = | goddess |
| θέα | = | view, sight, vista |
| θέαμα | = | sideshow, attraction |
| θεαματικά | = | sensationally |
| θεαματικός | = | spectacular, sensational |
| θεαματικότητα | = | spectacularity |
| θεατής | = | spectator, onlooker |
| θεατρικό έργο | = | play |
| θεατρικός | = | theatrical |
| θεατρισμός | = | theatricality |
| θέατρο | = | theatre |
| θέατρο παραστάσεων όπερας | = | opera house |
| θεατρώνης | = | impressario |
| θέε μου | = | oh dear |
| θεία | = | aunt, auntie |
| θεία δίκη | = | divine retribution |
| Θεία Κοινωνία | = | Holy Communion |
| θεία λειτουργία | = | mass |
| θειάφι | = | sulphur |
| θεϊκός | = | divine |
| θείος | = | uncle |
| θέλγω | = | charm, bewitch |
| θεληματικός | = | strong-willed |
| θέληση | = | will, volition |
| θελκτικός | = | seductive |
| θέλξη | = | charm, attraction |
| θέλω | = | want |
| θέλω κάτι με την καρδιά μου | = | set one's heart on |
| θέλω να κάνω εμετό | = | feel sick |
| θέλω να κάνω κάτι | = | wish to do |
| θέλω να ξεράσω | = | feel green at the gills |
| θέλω να πω | = | get at |
| θέμα | = | subject, issue, matter, theme, topic |
| θέμα γενικής συζήτησης | = | talk of the town |
| θεματοφύλακας | = | trustee |
| θεμέλιο | = | groundwork, foundation |
| θεμελιώδης | = | fundamental, underlying |
| θεμελιώνω | = | ground on |
| θεμιτός | = | licit |
| θεολογία | = | theology |
| θεολόγος | = | theologian |
| Θεομηνία | = | act of God |
| θεός | = | God |
| θεοσυλία | = | sacrilege |
| θεραπεία | = | treatment, therapy |
| θεραπεία αυθυποβολής | = | autosuggestive therapy |
| θεραπευμένος | = | cured |
| θεραπευτής | = | healer |
| θεραπεύω | = | cure of, treat for, cure, treat |
| θέρετρο | = | resort, holiday resort |
| θερίζω | = | mow, harvest, reap |
| θερινός | = | summer |
| θερινός καύσωνας | = | dog days |
| θεριστική βολή | = | sweeping fire |
| θεριστική μηχανή | = | reaping machine |
| θερμά | = | heartily |
| θερμαίνω | = | heat |
| θέρμανση | = | solar heater |
| θέρμη | = | ardour, fever |
| θερμικός | = | thermal |
| θερμόαιμος | = | warm-blooded, warm blooded |
| θερμοκέφαλος | = | hot-headed |
| θερμοκηπίο | = | greenhouse |
| θερμοκήπιο | = | greenhouse |
| θερμοκοιτίδα | = | incubator |
| θερμοκρασία | = | temperature |
| θερμοκρασία θορύβου | = | noise temperature |
| θερμόμετρο | = | thermometer |
| θερμομετρώ κάποιον | = | take someone's temperature |
| θερμοπαρακαλώ | = | entreat, implore |
| θερμοπίδακας | = | geyser |
| θερμοπληξία | = | heat stroke |
| θερμός | = | glowing |
| θερμοσίφωνας | = | geyser |
| θέρος τρύγος πόλεμος | = | time and tide wait for no man |
| θέση | = | position, situation, status |
| θέση του εξεταζόμενου μάρτυρα | = | witness box |
| θεσμικός | = | institutional |
| θεσμοθέτηση | = | legislation, enactment |
| θεσμοθετώ | = | enact laws |
| θεσμός | = | institution |
| θεσμοφύλακας | = | guardian of the law |
| θεσούλα | = | cushy job |
| θεσπέσιος | = | out of this world, divine |
| θεσπίζω | = | decree, enact, institute |
| θεσπίζω | = | enact laws |
| θέσπισμα | = | decree, enactment |
| θεσπισμένος | = | enacted |
| θετή κόρη | = | stepdaughter |
| θετή μητέρα | = | stepmother |
| θετικά | = | positively |
| θετικός | = | positive, positive about, assertive |
| θετό παιδί | = | step child, foster child |
| θετός | = | foster, adoptive |
| θετός γιος | = | stepson |
| θετός γονέας | = | foster parent |
| θετός πατέρας | = | stepfather |
| θέτω εκτός μάχης | = | put out of action |
| θέτω εκτός νόμου | = | outlaw |
| θέτω σε ενέργεια | = | put into action |
| θέτω σε κίνδυνο | = | put at risk, endanger |
| θέτω σε κίνδυνο την ζωή μου | = | put one's life at risk |
| θέτω τέρμα | = | halt |
| θέτω υπό αμφισβήτηση | = | discredit |
| θέτω υπό κράτηση | = | take into custody |
| θέτω υπό κράτηση | = | place under arrest |
| θέτω υπό περιορισμό | = | intern |
| θεωρείο | = | loge, gallery |
| θεωρείο θεάτρου | = | circle |
| θεωρητικά | = | in theory |
| θεωρητικός | = | abstract, speculative |
| θεωρία | = | theory |
| θεωρία της | = | theory of |
| θεωρία της ασάφειας | = | fuzzy theory |
| θεωρώ | = | consider, deem, regard |
| θεωρώ πιο σημαντικό | = | place before |
| θεωρώ ως | = | regard as, look on |
| θήκη | = | case, holder, cap, crown |
| θήκη ξίφους | = | scabbard |
| θηλάζω | = | suck, suckle |
| θήλασμα | = | breast-feeding |
| θηλαστικό | = | mammal |
| θηλαστικός | = | suckling |
| θηλιά | = | loop |
| θήλυ άνθος | = | pistillate |
| θηλυκιά αλεπού | = | vixen |
| θηλυκός | = | female |
| θηλυπρεπής | = | unmanly |
| θημωνιά | = | haystack |
| θηριοτροφείο | = | menagerie |
| θηριώδης | = | brutal, ferocious |
| θησαυρός | = | treasure |
| θησαυροφυλάκιο | = | treasury |
| θητεία | = | term of office, military service |
| θίασος | = | company, theatre company |
| θίγω | = | slight |
| θιοθέτηση | = | adoption |
| θλάση | = | fracture, rupture |
| θλιβερά | = | sadly, depressingly |
| θλιβερός | = | grievous, regrettable, doleful, baleful |
| θλίβομαι | = | grieve |
| θλίβω | = | grieve for |
| θλιμμένος | = | depressed |
| θλίψη | = | grief, distress |
| θνησιμότητα | = | mortality |
| θνητός | = | mortal |
| θολός | = | dim, clouded, blurred, turbid |
| θόλος | = | arch, dome |
| θολούρα | = | dimness |
| θόλωμα | = | dimming |
| θολωμένος | = | dim, clouded, blurred |
| θολώνω | = | cloud |
| θόρυβος | = | noise |
| θορυβώδης | = | noisy, uproarious |
| θρανίο | = | desk |
| θράσος | = | cheek, audacity |
| θρασύδειλος | = | bully, cowardly |
| θρασύς | = | cheeky, insolent, pert |
| θρασύτητα | = | cheek |
| θραύσεις κυμάτων | = | surf |
| θραύση | = | rupture |
| θραύσμα | = | splinter |
| θραύσμα | = | fragment, shard |
| θραυσματικός | = | fragmentary |
| θρεπτική αξία | = | nutritional value |
| θρεπτική ουσία | = | nutrient |
| θρεπτική ουσία | = | nutrient |
| θρεπτικός | = | nutritional, nutritious, wholesome |
| θρέφω | = | knit |
| θρέψη | = | nutrition, nourishment |
| θρήνος | = | lament |
| θρηνώ | = | grieve, mourn, lament |
| θρησκεία | = | religion |
| θρησκεία ανορθόδοξη ή πλαστή | = | cult |
| θρησκευόμενος | = | religious |
| θρησκευτικά | = | religious education |
| θρησκευτικός | = | religious |
| θρησκευτικός γάμος | = | church wedding |
| θρησκευτικός νόμος | = | dispensation |
| θρησκόληπτος | = | exaggeratedly religious |
| θρήσκος | = | religious |
| θριαμβευτικά | = | triumphantly |
| θριαμβευτικός | = | triumphant |
| θριαμβεύω | = | triumph |
| θρίαμβος | = | triumph |
| θρίλερ | = | thriller |
| θροϊζω | = | rustle |
| θρόισμα | = | rustle |
| θρόμβωση | = | thrombosis |
| θρόνος | = | throne |
| θρούμπα | = | ripe olive |
| θρυαλλίδα | = | time bomb, wick |
| θρυλικός | = | legendary |
| θρύλος | = | legend |
| θρυμματίζομαι | = | shatter |
| θρυμματίζω | = | fritter, smash, shatter, crumble |
| θυγατρική | = | subsidiary |
| θύελλα | = | storm, blizzard, tempest |
| θυελλόγλαρος | = | common gull |
| θυελλοπούλι | = | fulmar |
| θυελλώδεις άνεμοι | = | gale force winds |
| θυελλώδης | = | gale force, acrimonious, turbulent |
| θύλακας | = | pouch |
| θυληπρεπής | = | effeminate |
| θύμα | = | victim, victim of, fatality, casualty |
| θύμαλλος | = | grayling |
| θυμάμαι | = | remember, recall, recollect |
| θυμάμαι καλά | = | have a good head for |
| θυμάρι | = | thyme |
| θυμίαμα | = | incense |
| θυμίζω | = | remind of, put somebody in mind of |
| θυμός | = | anger, temper tantrum |
| θυμόσοφος | = | perceptive |
| θυμωμένα | = | angrily |
| θυμωμένος | = | angry, mad, stroppy, het up |
| θυμώνω | = | lose one΄s temper |
| θύρα | = | gate |
| θυρίδα | = | counter, locker, counter |
| θυροειδής αδένας | = | thyroid |
| θύρωμα | = | aedicule |
| θυρωρός | = | caretaker |
| θυσία | = | sacrifice |
| θυσιάζω | = | sacrifice |
| θώκος | = | office |
| θωπεία | = | wheedling |
| θωπεύω | = | caress, pet, stroke |
| θώρακας | = | thorax, chest |
| θωρηκτό | = | battleship |
| θωριά | = | aspect |