Definitions

doubtful

[dout-fuhl] / ˈdaʊt fəl /

ADJECTIVE

questionable, unclear

Synonyms

STRONGEST

debatable dicey dubious hazy indecisive insecure precarious problematic suspicious uncertain undecided uneasy unsettled unstable unsure

WEAK

ambiguous borderline chancy clouded contingent disreputable doubtable dubitable equivocal far-fetched fat chance fishy hazardous iffy impugnable inconclusive indefinite indeterminate indistinct long shot obscure on thin ice open pending shady sneaky speculative suspect touch-and-go touchy unconfirmed up for grabs

Antonyms

STRONGEST

certain clear decided definite determined indubious safe secure settled stable strong sure trustworthy trusty undoubted

WEAK

believing confirmed convinced exact resolved trusting unquestionable

ADJECTIVE

not believing

Synonyms

STRONGEST

dubious hesitant indecisive puzzled skeptical suspicious tentative uncertain unconvinced undecided unsettled unsure

WEAK

agnostic baffled confused discomposed disconcerted distracted distrustful disturbed doubting equivocal faithless faltering flustered hesitating in a quandary in clouds in dilemma irresolute like doubting Thomas lost not following of two minds perplexed questioning theoretical troubled unresolved vacillating wavering without belief

Antonyms

STRONGEST

certain clear decided decisive definite determined secure settled sure trustworthy trusty undoubted

WEAK

believing confident confirmed convinced exact resolved trusting unquestionable

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Even those hesitant to add more gold seemed doubtful about selling any.

From Barron's

See: A Fed rate cut next month seemed doubtful.

From MarketWatch

Bernstein and McQuarrie are doubtful, though they are in favor of studying history.

From MarketWatch

Also read: A Fed rate cut in December seemed doubtful.

From MarketWatch

Without that programme, says Andy Webb, it is doubtful that Princess Diana would have agreed to talk with Bashir at all.

From BBC