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doubtful

see definition of doubtful
  • adjquestionable, unclear
  • adjnot believing
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Synonyms for doubtful

adj questionable, unclear

Antonyms for doubtful

  • certain
  • clear
  • decided
  • definite
  • determined
  • indubious
  • safe
  • secure
  • settled
  • stable
  • strong
  • sure
  • trustworthy
  • trusty
  • undoubted
  • believing
  • confident
  • confirmed
  • convinced
  • exact
  • resolved
  • trusting
  • unquestionable
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

More words related to doubtful

ambiguous

adjective. having more than one meaning

ambivalent

adjective. conflicting

apocryphal

adjective. questionable; fake

apprehensive

adjective. anxious, fearful

arguable

adjective. debatable

borderline

adjective. inexact
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
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