View synonyms for

undo

[ uhn-doo ]

Phonetic (Standard)IPA

verb (used with object)

undid undone undoing.

to reverse the doing of; cause to be as if never done:
Murder once done can never be undone.
to do away with; erase; efface:
to undo the havoc done by the storm.
to bring to ruin or disaster; destroy:
In the end his lies undid him.
to unfasten by releasing:
to undo a gate; to undo a button.
to untie or loose (a knot, rope, etc.).
to open (a package, wrapping, etc.).
Archaic. to explain; interpret.

undo

/ ʌ��ˈ��ː /

verb

also intr to untie, unwrap, or open or become untied, unwrapped, etc
to reverse the effects of
to cause the downfall of
obsolete.
to explain or solve

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Derived Forms

�ܲ�ˈ��Ǳ��, noun

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Other Word Forms

�ܲ�·��a·�� adjective

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Word History and Origins

Origin of undo¹

First recorded before 900; Middle English; Old English �ܲԻ�ō��; cognate with Dutch ontdoen; un- ², do ¹

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Example Sentences

Examples have not been reviewed.

But within minutes indiscipline undid their hard work once again when flanker Jack O'Donoghue was sin-binned for conceding a penalty try.

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And the good news is that Simon’s mass will, indeed, be performed at the Kennedy Center by the National Symphony, assuming there are no further attempts to undo programming by the center’s new administration.

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Desperate to undo the damage, Yue Yue turned to clinics she found through social media - well-known names - but the repairs only made things worse.

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Alas, Trump and his appointees are undoing dozens of regulations limiting fossil fuels.

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Reagan tried to undo most of the Great Society programs that were created by Lyndon Johnson.

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Related Words

undivided profits undock

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