Definition for Doubtful:

• Full of doubt: undetermined: not clear: not secure: suspicious: not confident.

Synonyms for Doubtful:

• adj.

  •fickle (adjective)
  • mutable.
  •not believing (adjective)
  • flustered,
  • like doubting thomas,
  • in dilemma,
  • in a quandary,
  • disconcerted,
  • troubled,
  • in clouds,
  • not following,
  • faltering,
  • discomposed,
  • baffled.
  •problematic (adjective)
  • up for grabs.
  •questionable, unclear (adjective)
  • hazardous,
  • pending,
  • fat chance,
  • dicey,
  • touchy,
  • on thin ice,
  • long shot,
  • impugnable.
  •skeptical (adjective)
  • Trustless,
  • cynical,
  • unbelieving.
  •unwilling (adjective)
  • disinclined.

• n.

  •
  • faithless,
  • inopportune,
  • inappropriate,
  • perplexed,
  • unseemly,
  • distracted,
  • untimely,
  • improper,
  • untoward,
  • inconvenient,
  • unsuitable,
  • unsuited,
  • disturbed,
  • unbecoming.
  •
  • dim,
  • sneaky.
  •
  • likely.
  •
  • honest.

• v.

  •confused (verb)
  • disoriented.
  •supposed (verb)
  • hypothetical.

• Other synonyms:

  •
  • contested,
  • rumored,
  • unproven,
  • seeming,
  • ostensible,
  • anecdotal,
  • purported,
  • bewildered,
  • fallacious,
  • putative,
  • confused,
  • specious,
  • factitious,
  • Misconceived,
  • uncorroborated,
  • alleged,
  • Mootable,
  • unfounded,
  • reputed,
  • outwardly,
  • impressionistic,
  • misguided,
  • groundless,
  • seemingly,
  • unsupported,
  • unconfirmed,
  • baseless.
  •
  • false,
  • lost,
  • subjective,
  • exceptionable,
  • spurious,
  • Unapt,
  • lame,
  • inconclusive.
  •
  • surface,
  • unreal,
  • theoretical,
  • intuitive.
  •backward
  • unwilling.
  •indefinite
  • odd.
  •perplexed
  • stuck.

Paraphrases for Doubtful:

• Equivalence

  • Adjective
    dubious, uncertain, questionable.
  • Proper noun, singular
    questionable.

• Independent

  • Adjective
    problematic, ambiguous, hesitant, in-doubt, dodgy, doubted, suspected, disputable, controversial, unreliable, inconclusive, shady, borderline, implausible, precarious, difficult, insecure, objectionable, contentious, probable, disputed, likely, arguable, equivocal, sure.

• Other Related

  • Adjective
    debatable, unlikely, skeptical, suspect, sceptical, unsure, improbable, unclear, unconvinced, suspicious, problematical.
  • Proper noun, singular
    suspicious.

Antonyms for Doubtful:

• adj.

  • not believing
    decisive.
  • questionable, unclear
    confirmed, exact, trusty, stable, safe, trustworthy, resolved, decided, believing, trusting, Indubious, strong, sure, secure, unquestionable, confident, definite, determined, certain, settled, clear.
  • Other antonyms:
    distinct, evident, earthly, obvious, plain, undisputed, imaginable, undebatable, unproblematic, convinced, hands down, self-assured, uncontested, unambiguous, lucid, unequivocal, potential, Questionless, perspicuous, unquestioned, undoubted, open-and-shut, manifest.

• Other antonyms:

  • n.
    implicit, unwavering.

Homophones for Doubtful:

• dubitable, dividable, debatable, David Hubel, doubtfully.