Meaning

4 senses
  1. (transitive)To reverse the effects of an action.

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

    What's done can't be undone.

    rückgängig machen, ungeschehen machen

    отменя́тьotmenjátʹ, отмени́тьotmenítʹ, возвраща́тьvozvraščátʹ

    cancel, annul, or reverse an action or its effect

  2. (transitive)To unfasten.

    Could you undo my buckle for me?

    aufmachen, öffnen, losmachen

    расстёгиватьrasstjógivatʹ, расстегну́тьrasstegnútʹ, развя́зыватьrazvjázyvatʹ

  3. (colloquial, transitive)To unfasten the clothing of (a person).

  4. (figuratively, transitive)To impoverish or ruin, as in reputation; to cause the downfall of.

    cause the ruin or downfall of

Examples

92 sentences
  1. You can't undo what's already been done.

    Не можна скасувати того, що вже було зроблено.

    ruТы не можешь отменить то, что сделал.

    CC BY · Tatoeba · CK · B1Open on TatoebaReport a problem
  2. My shoelaces came undone.

    В мене розв'язалися шнурки.

    ruУ меня развязались шнурки.

    CC BY · Tatoeba · fcbond · C2Open on TatoebaReport a problem
  3. Your arrogance will be your undoing.

    CC BY · Tatoeba · CK · B2Open on TatoebaReport a problem
  4. We've left undone what should've been done.

    deWir haben liegenlassen, was hätte getan werden müssen.

    CC BY · Tatoeba · CK · B1Open on TatoebaReport a problem
  5. One of your shoelaces has come undone.

    CC BY · Tatoeba · CK · C2Open on TatoebaReport a problem

Translations

7 languages
Русский
By meaning 2
to reverse:
to unfasten:
Deutsch
By meaning 2
to reverse:
to unfasten:

Origin

From Middle English undōn, from Old English ondōn, from Proto-West Germanic *andadōn (“to

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”).

Wiktionary, CC BY-SA 4.0 · source

Forms

undoes, undoing, undid, undone
Base formundo · to undo
3rd person singularundoes
Present participleundoing
Past simpleundid
Past participleundone

irregular · Lesson

Present simpleLesson

I, you, we, theyundo
he, she, itundoes

Past simpleLesson

all personsundid

Present perfectLesson

I, you, we, theyhave undone
he, she, ithas undone

Future simple (will)Lesson

all personswill undo

Synonyms

9 synonyms
reverse effects:cancelB1reverseB2
Close in meaning
  • remove the outer cover or wrapping of:unwrap
  • cause to become loose:untieloosen
  • deprive of certain characteristics:unmake

Antonyms

7 antonyms

Word family

4 related words

See also

neighbours in the dictionary
undo — meaning, examples, forms, synonyms | Krumeto