What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.

Negate vs Undo - What's the difference?

negate | undo |

As verbs the difference between negate and undo

is that negate is to deny the existence, evidence, or truth of; to contradict while undo is to reverse the effects of an action.

As an adjective undo is

.

negate

English

Verb

(negat)
  • To deny the existence, evidence, or truth of; to contradict.
  • The investigation tending to negate any supernatural influences.
  • To nullify or cause to be ineffective.
  • Progress on the study has been negated by the lack of funds.
  • To be negative; bring or cause negative results.
  • a pessimism that always negates
  • (computing) To perform the NOT operation on.
  • undo

    English

    Etymology 1

    Verb

  • To reverse the effects of an action.
  • Fortunately, we can undo most of the damage to the system by the war.
  • * {{quote-news
  • , year=2011 , date=October 15 , author=Michael Da Silva , title=Wigan 1 - 3 Bolton , work=BBC Sport citation , page= , passage=But Wigan undid their good work by conceding an avoidable second goal deep into first-half injury time.}}
  • To unfasten.
  • Could you undo my buckle for me?
  • (figuratively) to be heading for or to cause a downfall
  • * 1611 ,
  • Woe is me, for I am undone !

    Synonyms

    * cancel, reverse * unbuckle, unbutton, untie, unzip

    Antonyms

    * redo * do up, button, button up, tie up, zip, zip up,

    Etymology 2

    Adjective

    (head)
  • References

    Anagrams

    * English irregular verbs ----