undo

Meaning

Verb

1. (transitive) To reverse the effects of an action.
2. (transitive) To unfasten.
3. (figuratively, transitive) To impoverish or ruin, as in reputation; to cause the downfall of.

Noun

An operation that reverses a previous action.

Adj

Misspelling of undue.

Synonyms

untie

unfasten

loosen

take off

open

loose

unbind

unlock

🔓

release

unbutton

unravel

destroy

unlace

disengage

detach

unclasp

unloose

unhook

unhitch

untwist

unwrap

unmake

unloosen

untwine

uncover

unlatch

unbuckle

begin

confess

unleash

unzip

dismantle

cancel

unbotton

reverse

reveal

ruin

free

🆓

devastate

demolish

damage

take to pieces

unbar

unbolt

back out

solution

disentangle

separate

solve

disconnect

Translations

défaire

disfare

deshacer

desfazer

ongedaan maken

rückgängig machen

ξεκάνω

öffnen

aufmachen

desatar

desfer

annuler

تراجع

καταστρέφω

dénouer

Pronounced as (IPA)

/ʌnˈduː/

Etymology

Inherited from Middle English: undōn

Inherited from Old English: ondōn

Cognate with Western Frisian: ûndwaan

Cognate with Dutch: ontdoen

In summary

From Middle English undōn, from Old English ondōn, from Proto-West Germanic *andadōn (“to undo”), equivalent to un- + do. Cognate with West Frisian ûndwaan, ûntdwaan (“to undo; rid”), Dutch ontdoen (“to undo”).