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Thesaurus: undo


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undo

verb
  1. To remove or invalidate by or as if by running a line through or wiping clean: annul, blot (out), cancel, cross (off or out), delete, efface, erase, expunge, obliterate, rub (out), scratch (out), strike (out), wipe (out), x (out). Law: vacate. See continue
  2. To free from ties or fasteners: disengage, loose, loosen, slip, unbind, unclasp, unfasten, unloose, unloosen, untie. See tighten
  3. To become or cause to become open: open, unclose. See open
  4. To cause the complete ruin or wreckage of: bankrupt, break down, cross up, demolish, destroy, finish, ruin, shatter, sink, smash, spoil, torpedo, wash up, wrack 2, wreck. Slang: total. Idiom: put the kibosh on. See help
  5. To lessen or deplete the nerve, energy, or strength of: attenuate, debilitate, devitalize, enervate, enfeeble, sap 2, undermine, unnerve, weaken. See strong
  6. To lure or persuade into a sexual relationship or a sexual act: debauch, seduce. See sex

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Roget's II: The New Thesaurus, Third Edition by the Editors of The American Heritage® Dictionary.
Copyright © 1995 by Houghton Mifflin Company.
Published by the Houghton Mifflin Company. All rights reserved.
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