“undid” is a form of
undo
/ʌnˈduː/ verb, noun
Forms undoes undoing undid undone undos
- verb To reverse the effects of an action. “Fortunately, we can undo most of the damage to the system by the war.”
- verb (transitive) To unfasten. “Could you undo my buckle for me?”
- verb (transitive, colloquial) To unfasten the clothing of (a person).
- verb (figuratively) To impoverish or ruin, as in reputation; to cause the downfall of.
- noun (computing) An operation that reverses a previous action. “How many undos does this program support?”
Synonyms
cancel reverse unbuckle unbutton untie unzip unmake loosen unwrap
Antonyms
Etymology
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”).
Webster’s 1913
- verb To reverse, as what has been done; to annul; to bring to naught.
- verb To loose; to open; to take to piece; to unfasten; to untie; hence, to unravel; to solve; as, to undo a knot; to undo a puzzling question; to undo a riddle. Tennyson.
Etymology [AS. und. See 1st Un-, and Do to perform.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “undo”, CC BY-SA 4.0. Details