cast doubt on
- questionRequest for information
- skepticalInclined to question claims
- challengeTest of ability
- undermineWeaken by stealth
- discreditHarm another's reputation
suspicious · distrust · dubious · uncertain · contradict · disprove · refute · interrogate · shadow · murky · hesitation · waver · unreliable · flimsy · shaky · holes · credibility · eyebrow
epistemic certainty
cast doubt onconfirm
Validate as true
verify · validate · corroborate · prove · substantiate