Vocabulary
되다
be enough, work out, be done
Meaning
A versatile verb; 됐어 can mean “enough,” “never mind,” or “that's fine,” depending on tone.
Why this form?
끝나다 — “end”: states that an event finishes; 됐다 can dismiss further discussion or indicate that something is satisfactory.
Natural usage
돼 contracts 되어; 됐어 is the informal past of 되다 and can function as a set exclamation.
Forms not to confuse
끝나다
회의가 끝났어요. — The meeting is over.
Examples
좋아, 됐어. — Fine, enough.
이제 됐어요. 더 필요 없어요. — That's enough now. I don't need any more.