undo

CEFRB1

/ʌnˈduː/

verb

Türkçe translations

Translating…

In plain English

  1. 01

    verb

    To reverse an action or remove its effect.

  2. 02

    verb

    Extra detail

    To unfasten the clothing of (a person).

Examples

  • You cannot undo what has already been done.

  • Could you undo my buckle for me?

At a glance

Sits at B1 on the CEFR scale

Senses
5
Parts of speech
1
Citations
4
Synonyms
5

Deep Dive

verb

Extra meanings
  1. To unfasten.

  2. To reverse the effects of an action.

  3. To impoverish or ruin, as in reputation; to cause the downfall of.

More examples

In context
  • Fortunately, we can undo most of the damage to the system by the war.

  • Please undo the package.

  • What's done can't be undone.

Quick test

Two questions on this entry. Nothing is scored.

Question 1 · Quick check

If you spill coffee on the document, you cannot blank the damage.

Practise this properly in the app, where the word comes back before you forget it.

Nearby

Origin

verb

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”).