to give one's time, focus one's efforts, commit oneself, etc. entirely for, on, or to a certain matter / to consign over; to doom / to execrate; to curse

(obsolete) devoted; addicted; devout

To eat quickly, greedily, hungrily, or ravenously. / To rapidly destroy, engulf, or lay waste. / To take in avidly with the intellect or with one's gaze.

plural of devoir.

(archaic, often in plural) Duty, business; something that one must do.

simple past tense and past participle of devote

Vowed; dedicated; consecrated. / Strongly emotionally attached; very fond of someone or something. / Zealous; characterized by devotion. / (obsolete) Cursed; doomed.

(geology) of a geologic period within the Paleozoic era; comprises lower, middle and upper epochs from about 415 to 360 million years ago

(chiefly dated) A native or inhabitant of the English region of Devon.

(geology) the Devonian period