Laxi Dictionary

English Dictionary

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Definition undo in British English

undo verb

verb
/ʌnˈduː/
1

to open, untie, or remove something so that it no longer closes, fastens, or connects another thing

Example

He quickly undid the screws that held the lid on.

Example

I can't undo my belt.

Synonyms and related words
unfasten undo detach open up open try
2

to have the effect of changing something back into its original, usually worse state

Example

She warned that one mistake could undo all their achievements.

Synonyms and related words
transition change make into
2.1

to give a computer an instruction to ignore the last change that you made to a document

Synonyms and related words
access archive back up
Definition undo in British English