70 entries under nervous topic. ×

6
untrustworthy(adjective, uncertain, doubtful, dubious)
5
afraid(adjective, uncertain, awkward, unsettled)
5
iffy(adjective, delicate, uncertain, sensitive)
5
open(adjective, uncertain, unstable, doubtful)
5
questioning(adjective, uncertain, worried, unsure)
5
rootless(adjective, weak, uncertain, unstable)
4
undecided(adjective, open, uncertain, doubtful)
4
undependable(adjective, uncertain, unstable, doubtful)
4
uptight(adjective, informal, uncertain, worried)
4
vague(adjective, uncertain, doubtful, worried)
3
fluctuant(adjective, weak, uncertain, unstable)
3
fly-by-night(adjective, uncertain, doubtful, dubious)
3
irresolute(adjective, weak, delicate, uncertain)
3
suspicious(adjective, uncertain, anxious, awkward)
3
touchy(adjective, delicate, informal, uncertain)
3
unconvinced(adjective, uncertain, doubtful, shaky)
2
borderline(adjective, delicate, uncertain, unstable)
2
distrustful(adjective, uncertain, shy, doubtful)
2
indecisive(adjective, delicate, uncertain, unstable)
2
mistrustful(adjective, uncertain, doubtful, shaky)
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APASmart Define. (2016). insecure thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/insecure/thesaurus/synonyms
ChicagoSmart Define. 2016. "insecure thesaurus" https://smartdefine.org/insecure/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, insecure thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/insecure/thesaurus/synonyms>.
MLASmart Define. "insecure thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/insecure/thesaurus/synonyms>