undo (redirected from undoer)

undo verb abolish, abrogate, annul, answer, cancel, counteract, counterbalance, countermand, debug, decode, decrypt, defeat, destroy, disestablish, declare null and void, dispense with, eliminate, impeach, invalidate, neutralize, nullify, obviate, offset, put an end to, quash, ravel, remove, repeal, rescind, resolve, retract, reverse, revoke, ruin, thwart, unravel, untangle, untwist, unweave, vitiate, worst
Associated concepts: undo charges, undo the law

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See also: abolish, abrogate, annul, beat, betray, counteract, defeat, denude, disengage, disorganize, disown, dissociate, dissolve, frustrate, invalidate, liberate, overreach, overrule, part, separate, subvert, terminate, upset, vitiate