| ωάριο | = | ovule, ovum |
| ωάριο | = | ovary |
| ωδή | = | ode |
| ωδίνες του τοκετού | = | labour pains |
| ωειδής | = | oval |
| ωθείται από | = | powered by |
| ώθηση | = | propulsion, thrust |
| ωθώ | = | prompt |
| ωκεανίτης | = | Wilson's petrel |
| ωκεανογράφος | = | oceanographer |
| ωκεανός | = | ocean |
| ωλένη | = | ulna |
| ωμή βία | = | naked violence |
| ωμός | = | raw, uncooked, crude |
| ώμος | = | shoulder |
| ωμότητα | = | atrocity |
| ωξίνη | = | auxin |
| ώρα | = | time, hour, session |
| ώρα για μεσημεριανό | = | lunchtime |
| ώρα καλή | = | bye, see you |
| ωραία | = | handsomely, nicely |
| ωραίος | = | nice, gorgeous, fine, good-looking |
| ωραιότατος | = | finest |
| ωράριο | = | timetable |
| ώρες ωρες | = | at times |
| ωριαίος | = | hourly |
| ωριμάζω | = | mature, ripen |
| ώριμος | = | grown up, mature, ripe |
| ωριμότητα | = | maturity |
| ωρολογιακή βόμβα | = | time bomb |
| ωροσκόπιο | = | horoscope |
| ωρύομαι | = | roar, rant and rave |
| ως | = | as far as |
| ως αποτέλεσμα | = | as a result of, in consequence |
| ως διαλαμβάνει το συμβόλαιο | = | according to the contents of the contract |
| ως επακόλουθο | = | in the wake of |
| ως προς | = | in terms of, in respect of |
| ως συνήθως | = | true to form |
| ως τα γόνατα | = | knee-length |
| ώσπου | = | until |
| ωστενίτης | = | austenite |
| ωστόσο | = | yet, nevertheless |
| ωτακουστής | = | eavesdropper |
| ωτακουστώ | = | eavesdrop, overhear |
| ωτοβουτηχτάρα | = | Slavonian grebe |
| ωτοσκώληκας | = | earwig |
| ωφέλεια | = | benefit, profit |
| ωφέλιμος | = | beneficial |
| ωφελώ | = | avail |
| ώχρα | = | ochre |
| ωχρό ή ανοιχτό χρώμα δέρματος | = | pale complexion |
| ωχρός | = | sallow, ashen |
| ωψώνω | = | heighten |