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Undo vs Und - What's the difference?

undo | und |

As a verb undo

is to reverse the effects of an action.

As an adjective undo

is .

As a noun und is

a wave.

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)

    • External links

    * (wikipedia "undo")

    References

    Anagrams

    * English irregular verbs ----

    und

    English

    Alternative forms

    * (l)

    Noun

    (en noun)
  • A wave.
  • (label) A billow- or wave-like marking.

    • Related terms

    {{rel3, oundy , undade , undated , , undy , undulate , undulating}}

    References

    * (OED) (2nd ed., 1989), “ †und” ----