to end; to come to an end; to be over; to finish.
授業は３時に終わります。
Class ends at three o'clock.
映画が終わってからカフェに行きましょう。
Let's go to a café after the movie ends.
今年のプロジェクトは無事に終わった。
This year's project finished successfully.
to finish or conclude (something) — used transitively in contexts where someone brings something to an end.
彼は会議を終わる前に重要な発言をした。
He made an important remark before ending the meeting.
この連載は今月で終わることになった。
This serial will finish this month.
suffixal use attached to the masu-stem of a verb to mean 'to finish doing' (e.g., yom i -owaru → 読み終わる).
本を読み終わったら返してください。
Please return the book when you have finished reading it.
ご飯を食べ終わったら、皿を片付けてください。
When you finish eating, please clear your plate.
宿題を書き終わるまで遊びに行けないよ。
You can't go out to play until you finish writing your homework.
(colloquial) used as 終わっている／終わった to mean someone/something is past its prime, ruined, or finished (in a negative sense).
あのバンド、もう終わってるよ。昔ほど人気ない。
That band is done; they're not as popular as they used to be.
スマホが壊れてて、仕事が終わってる状態だ。
My phone is broken and I'm totally stuck with work (colloquial: it's a disaster).
(colloquial) used to say something is awful, hopeless, or totally hopeless ('it's over' in a very negative way).
今日のプレゼン、準備不足で終わってるよ。
Today's presentation is a disaster because of poor preparation.
彼の態度はもう終わってる。改善する気がない。
His attitude is hopeless; he has no intention of improving.