76 entries under uncertain topic. ×

4
worried(adjective, nervous, shy, hesitant)
3
suspicious(adjective, nervous, doubtful, hesitant)
3
unwilling(adjective, shy, doubtful, hesitant)
2
averse(adjective, shy, doubtful, hesitant)
2
hesitating(adjective, shy, doubtful, hesitant)
2
indecisive(nervous, shy, doubtful, hesitant)
2
uneager(adjective, modest, humble, shy)
1
Delphic(nervous, worried, hesitant, insecure)
1
choked(nervous, worried, hesitant, insecure)
1
debatable(doubtful, unsure)
1
disinclined(shy, doubtful, hesitant, cautious)
1
dubitable(doubtful, unsure)
1
equivocal(adjective, restrained, doubtful, unsure)
1
far-fetched(doubtful, unsure)
1
fishy(doubtful, unsure)
1
fly-by-night(nervous, doubtful, insecure, unsure)
1
iffy(nervous, doubtful, insecure, unsure)
1
improbable(doubtful, unsure)
1
irresolute(nervous, shy, doubtful, hesitant)
1
open(nervous, doubtful, insecure, unsure)
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APASmart Define. (2016). diffident thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/diffident/thesaurus/synonyms
ChicagoSmart Define. 2016. "diffident thesaurus" https://smartdefine.org/diffident/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, diffident thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/diffident/thesaurus/synonyms>.
MLASmart Define. "diffident thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/diffident/thesaurus/synonyms>