2 entries found for undo.
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undo undone

Main Entry: un·do
Pronunciation: n-dü, n-
Function: verb
Inflected Form(s): un·did /-did/; un·done /-dn/; un·do·ing /-dü-i/
1 : to make or become unfastened or loosened : OPEN, UNTIE <undo a knot>
2 : to destroy the effect of : NULLIFY, REVERSE
3 a : to cause the ruin of <your stubbornness undid you> <undone by greed> b : to disturb the calmness of : UPSET <she's come undone>
- un·do·er noun