undo

Meanings

Verb

• To reverse the effects of an action.
• To unfasten.
• To impoverish or ruin, as in reputation; to cause the downfall of.

Noun

• An operation that reverses a previous action.

Adjective

• Misspelling of undue

Related

Similar words

• cancel, reverse
• unbuckle, unbutton, untie, unzip

Opposite words

• redo
• do up, button, button up, tie up, zip, zip up,

Origin

• From Middle English undōn, from Old English ondōn, from Proto-Germanic *andadōną, equivalent to . Cognate with West Frisian ûndwaan, ûntdwaan, Dutch ontdoen.