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Undo - Meaning, Definition & English Examples

Undo means to reverse or cancel a previous action, returning something to its original state. It is commonly used in computing to revert changes or in daily life to correct mistakes.

undo

/ʌnˈdu/ /ʌnˈduː/

Definition:

Reverse or cancel an action, decision, or process.

Synonyms:

reverse, cancel, annul, repeal, revoke

Part of Speech:

verb

Antonyms:

do, enact, establish

Common Collocations:

undo a mistake, undo a knot, undo a decision, undo damage

Derivatives:

undone, undoing

Usage Tips:

Use "undo" to describe reversing actions; often paired with mistakes or changes (e.g., "undo a knot").

Common Phrases:

undo the damage, what's done cannot be undone

Etymology:

From Old English "undōn," combining "un-" (reverse) + "dōn" (do).

Examples:

  • 1. She tried to undo her mistake by apologizing immediately.
  • 2. Can you undo this knot for me?
  • 3. The update lets you undo deleted files easily.
  • 4. He wished he could undo his harsh words.
  • 5. Press Ctrl+Z to undo the last action on your computer.

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