undone Definition

undo
verb undoes, undid, undone, undoing

tr & intr
1. To open, unfasten or untie (something).
2. To cancel or reverse the doing of something, or its effect or result; to annul.
3. facetious or literary
To bring about the downfall or ruin of someone or something.

Etymology: Anglo-Saxon undon.

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undone¹
adj

1. Not done; not achieved; unfinished or incomplete.

Etymology: 14c.

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undone²
adj

1. Unfastened, untied, etc.
2. Reversed; annulled.
3. Destroyed; ruined

Example: I am undone!

Idiom: come undone

To become unfastened, untied, etc; to open.

To go wrong; to come up against problems or difficulties.