preclude

1. Keep from happening or arising;
   Make impossible (synset 202458316)
   "My sense of tact forbids an honest answer"; "Your role in the projects precludes your involvement in the competitive project"
   subtypes:

   • inhibit - prohibit, forbid, or prevent from doing something
   • make unnecessary, save - make unnecessary an expenditure or effort
   • avert, avoid, debar, deflect, fend off, forefend, forfend, head off, obviate, stave off, ward off - prevent the occurrence of; prevent from happening
   • block, blockade, embarrass, hinder, obstruct, stymie, stymy - hinder or prevent the progress or accomplishment of
   • baffle, bilk, cross, foil, frustrate, queer, scotch, spoil, thwart - hinder or prevent (the efforts, plans, or desires) of
   • block, halt, kibosh, stop - stop from happening or developing
   same as: forbid, foreclose, forestall, prevent
2. Make impossible, especially beforehand (synset 202635471)
   is a type of: eliminate, obviate, rid of - do away with
   same as: close out, rule out

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