undo

[ˌʌnˈduː]

undo Definition

• 1. cancel or reverse the effects or results of a previous action or operation
• 2. cause something that has been done to be no longer in existence

Using undo: Examples

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

• Example

  I wish I could undo all the mistakes I made.

• Example

  The software allows you to undo your last action.

• Example

  The damage was irreversible and could not be undone.

• Example

  He tried to undo the knot, but it was too tight.

undo Synonyms and Antonyms

Synonyms for undo

• reverse
• cancel
• nullify
• revoke
• annul

Antonyms for undo

• do
• create
• construct

Phrases with undo

• undo the damage

  repair or reverse the negative effects of something

  Example

  It will take years to undo the damage caused by the oil spill.

• undo button

  a feature in software applications that allows users to reverse their last action

  Example

  If you make a mistake, just click the undo button to fix it.

• undo the past

  change or erase events or actions that have already happened

  Example

  I wish I could undo the past and make different choices.

Origins of undo

from Old English 'undon', meaning 'to unfasten'

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Summary: undo in Brief

'Undo' [ˌʌnˈduː] is a verb that means to cancel or reverse the effects of a previous action or operation. It can also mean to cause something that has been done to be no longer in existence. Examples include 'The software allows you to undo your last action,' and 'He tried to undo the knot, but it was too tight.' Phrases like 'undo the damage' and 'undo button' are common.