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synonyms for be efficacious

  • beat
  • work
  • operate
  • prevail
  • succeed
  • triumph
  • do the trick
  • have effect

antonyms for be efficacious

MOST RELEVANT
  • fail
  • lose
  • abstain
  • add
  • avoid
  • disallow
  • discontinue
  • disenchant
  • dodge
  • give
  • hold
  • keep
  • maintain
  • misconceive
  • misunderstand
  • offer
  • receive
  • refuse
  • reject
  • repulse
  • stop
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
QUIZ
Cryptomnesia Or Not, Here’s A New Word Of The Day Quiz!
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SYNONYM OF THE DAY
OCTOBER 26, 1985
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capacitor

WORDS RELATED TO BE EFFICACIOUS

  • be efficacious
  • beat
  • do the trick
  • have effect
  • operate
  • prevail
  • succeed
  • triumph
  • work
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.