doubter
One who questions
A doubter is someone who questions or remains unconvinced.
The word often carries a slightly dismissive tone—doubters are those who fail to believe what others accept: The doubters were proven wrong when the project succeeded.
A doubter may be skeptical by temperament or simply uncertain about a particular claim.
One who doubts claims
- cynicDoubter of good intentions
- disbelieverOne who denies truth
- questionerOne who poses inquiries
- naysayerHabitual dissenter
critic · agnostic · nonbeliever · unbeliever · freethinker · contrarian · challenger · dissenter
Slow to act
- waveringShowing unsteady resolve
- undecidedNot having chosen
- unconvincedNot yet believing
- unsureLacking confidence or certainty
ambivalent · tentative · indecisive · vacillating · irresolute · equivocal · noncommittal · dithering
Seeking answers through inquiry
- probingThoroughly investigating something
- inquisitiveEager to learn more
- analyticalExamining parts methodically
- investigativeDevoted to examination
critical · examining · scrutinizing · challenging · interrogating · fact-checking · truth-seeking
Lacking faith in others
- distrustfulLacking faith in others
- waryGuardedly alert
- suspiciousInclined to distrust
- leeryCautiously distrustful
guarded · paranoid · cynical · incredulous · apprehensive · cautious · vigilant · disbelieving
skeptic
One who doubts claims
- cynicDoubter of good intentions
- disbelieverOne who denies truth
- questionerOne who poses inquiries
naysayer · critic · agnostic · nonbeliever · unbeliever · freethinker · contrarian · challenger · dissenter · iconoclast
hesitant
Slow to act
- waveringShowing unsteady resolve
- undecidedNot having chosen
- unconvincedNot yet believing
unsure · ambivalent · tentative · indecisive · vacillating · irresolute · equivocal · noncommittal · dithering · fence-sitter
questioning
Seeking answers through inquiry
- probingThoroughly investigating something
- inquisitiveEager to learn more
- analyticalExamining parts methodically
investigative · critical · examining · scrutinizing · challenging · interrogating · fact-checking · truth-seeking
mistrustful
Lacking faith in others
- distrustfulLacking faith in others
- waryGuardedly alert
- suspiciousInclined to distrust
leery · guarded · paranoid · cynical · incredulous · apprehensive · cautious · vigilant · disbelieving · untrusting
- nonbelieversatheist, atheists, agnostic, agnostics, nonbeliever
- hesitant typeshesitator, waverer, ditherer, fence-sitter, second guesser
- dissentersdissenter, dissenters, dissidents, dissident, nonconformists
- faith labelsbeliever, nonbeliever, atheist, agnostic, theist
- skepticismskeptic, debunker, skeptical, skeptical inquiry, suspension of judgment
- Unbeliefatheism, agnosticism, irreligion, nonbelief, disbelief
doubterbeliever
One who accepts something
truster · true believer · accepter · affirmer · devotee
- no doubtCertainly, very probably
- without a doubtWith complete certainty
- room for doubtGrounds for skepticism
- in doubtFeeling uncertain, wavering
- benefit of the doubtFavorable judgment amid uncertainty
- doubt itExpression of disbelief
doubt, doubtful, doubting, doubts, undoubtedly, doubted, undoubted, doubtfully, redoubt