past tense of 'undo': to reverse the effects of something that has been done; to unfasten or loosen something, to cause the downfall or ruin of someone or something

undo the damage, undo a button, undo one's belt

Formal and Informal Expressions of undid

In different contexts, you can replace 'undid' with suitable alternatives. In a more formal setting, 'reverse, nullify' is apt. In informal speech or writing, 'take back, fix' is a commonplace synonym.

undid: Explore its Definition & Usage

undid Definition

1past tense of 'undo': to reverse the effects of something that has been done; to unfasten or loosen something
2to cause the downfall or ruin of someone or something

Using undid: Examples

Take a moment to familiarize yourself with how "undid" can be used in various situations through the following examples!

Example
She undid the knot in the rope.
Example
He quickly undid the damage he had caused.
Example
The scandal undid his political career.
Example
Her lies undid all the trust we had in her.

undid Synonyms and Antonyms

Synonyms for undid

Antonyms for undid

Phrases with undid

undo the damage
to repair or reverse the negative effects of something
Example
He worked hard to undo the damage he had caused to the company's reputation.
undo a button
to unfasten a button that has been fastened
Example
She undid a button on her shirt to cool off.
undo one's belt
to unfasten one's belt that has been fastened
Example
He undid his belt after a large meal.

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Summary: undid in Brief

'Undid' [ˌʌnˈdɪd] is the past tense of 'undo,' meaning to reverse the effects of something that has been done or to unfasten something. It can also mean to cause the downfall or ruin of someone or something. Examples include 'She undid the knot in the rope.' and 'The scandal undid his political career.' Phrases include 'undo the damage,' which means to repair or reverse the negative effects of something.