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Definition of
Doubtful
Doubtful
doubt·ful
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Definition/Meaning
(adjective)
uncertain or hesitant about something, feeling doubt;
e.g. He felt doubtful about being on time to catch his flight.
Similar Words
Arguable
Debatable
Dodgy
Dubious
Equivocal
Far-fetched
Flimsy
Halting
Iffy
Improbable
Inconclusive
Indecisive
Indeterminate
Issuable
Moot
Negotiable
Nonviable
Problematic
Queer
Questionable
Shady
Shaky
Suspect
Trustless
Unapt
Uncertain
Unconvinced
Undecided
Unfeasible
Unlikely
Unplausible
Unsettled
Unsure
Unviable
Opposite Words
Absolute
Accomplished
Accurate
Accurately
All-out
Arrant
Assured
Auspicious
Beamish
Believable
Blank
Blooming
Bodacious
Bound
Bullish
Categorical
Clear
Close
Complete
Conceivable
Conclusive
Consummate
Contingent
Cotton-picking
Crashing
Credible
Creditable
Damn
Damned
Dead
Deadly
Deciding
Decisive
Definite
Definitive
Delicate
Dependable
Determined
Do-or-die
Downright
Dreadful
Earthly
Encouraging
Exact
Fair
Fated
Feasible
Fine
Firm
Flat
Flat-out
Golden
Good
Hairline
Hearty
Hopeful
Imaginable
Implicit
Inarguable
Incontestable
Incontrovertible
Indisputable
Indubitable
Ineluctable
Inescapable
Inevitable
Inexorable
Infallible
Intent
Irrefragable
Irrefutable
Last
Liable
Likely
Mathematical
Necessary
Noncontroversial
Obvious
Open-and-shut
Optimistic
Or
Out
Out-and-out
Outright
Perfect
Pinpoint
Plausible
Plumb
Possible
Potential
Practicable
Precise
Presumptive
Probable
Profound
Promising
Propitious
Pure
Purposeful
Rank
Refined
Regular
Reliable
Reliant
Resolute
Responsible
Rigorous
Rose-colored
Roseate
Rosy
Safe
Sanguine
Secure
Self-assured
Set
Sheer
Single-minded
Solid
Spot-on
Stark
Starkly
Steady
Stone
Straight-out
Supposable
Surefire
Surpassing
Thoroughgoing
Total
Tried
Tried-and-true
True
Trustworthy
Trusty
Unalloyed
Unambiguous
Unanswerable
Unarguable
Unavoidable
Unchallengeable
Unchallenged
Unconditional
Uncontested
Uncontradicted
Undeniable
Undisputable
Undisputed
Unequivocal
Unescapable
Unfailing
Unmitigated
Unqualified
Unquestionable
Unquestioned
Upbeat
Utter
Veritable
Very
Viability
Viable
Wholehearted
Workable
Related Words
Absurd
Academic
Alleged
Ambiguous
Ambivalent
Approximate
Ballpark
Bizarre
Cagey
Conflicted
Controversial
Crazy
Dependent
Diffident
Disinclined
Dubious
Equivocal
Fantastic
Far-fetched
Flimsy
Foolish
Halting
Hopeless
Hypothetical
Iffy
Implausible
Impossible
Imprecise
Improbable
Inaccurate
Inconceivable
Inconclusive
Incredible
Incredulous
Indecisive
Indisposed
Inexact
Insane
Insecure
Insoluble
Insuperable
Irresolute
It
Loath
Loose
Loth
Moot
Odd
Open
Or
Outlandish
Outside
Preposterous
Problematic
Reluctant
Remote
Reticent
Ridiculous
Shaky
Slight
So-called
Speculative
Squishy
Supposed
Tentative
Theoretical
Unattainable
Unbelievable
Unclear
Unconvincing
Undoable
Unimaginable
Unlikely
Unreal
Unrealizable
Unsolvable
Unthinkable
Weak
Wild
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