15
distrustful(adjective, feelings, uncertain, trust, unsettled)
14
suspicious(verb, adjective, feelings, uncertain, trust)
13
skeptical(adjective, uncertain, shy, dishonest, doubtful)
12
questioning(verb, adjective, uncertain, unsettled, hesitant)
11
disbelieving(verb, adjective, uncertain, hesitant, suspicious)
11
doubtful(verb, adjective, weak, uncertain, shy)
10
sceptical
10
unbelieving(adjective, false, uncertain, dishonest, doubtful)
10
wary(adjective, careful, cautious, suspicious, watchful)
9
leery(adjective, trust, considerate, cautious, prudent)
9
mistrustful(adjective, trust, cautious, suspicious, wary)
8
dubious(verb, adjective, uncertain, dishonest, unsettled)
8
jealous(adjective, wary)
8
vacillant(adjective, hesitant)
7
cynical(adjective, feelings, uncertain, hesitant, suspicious)
7
distrusting(verb, adjective, disbelieving)
7
incredulous(adjective, unbelieving)
7
suspecting
6
hesitating(verb, adjective, weak, uncertain, shy)
6
uncertain(adjective, weak, doubtful, unsettled, hesitant)
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APASmart Define. (2016). doubting thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/doubting/thesaurus/synonyms
ChicagoSmart Define. 2016. "doubting thesaurus" https://smartdefine.org/doubting/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, doubting thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/doubting/thesaurus/synonyms>.
MLASmart Define. "doubting thesaurus" 23 March 2016. Web. 23 September 2026. <https://smartdefine.org/doubting/thesaurus/synonyms>