51 entries under nervous topic. ×

43
vague(adjective, dull, clear, open, weak)
17
uncertain(adjective, clear, open, obscure, rough)
16
indeterminate(adjective, clear, rough, certain, uncertain)
13
dubious(adjective, clear, open, rough, certain)
11
doubtful(adjective, clear, open, obscure, rough)
10
unsure(adjective, clear, open, rough, certain)
7
weak(adjective, dull, soft, gentle, dark)
6
borderline(adjective, clear, open, certain, uncertain)
6
problematic(adjective, clear, rough, certain, uncertain)
4
open(adjective, uncertain, doubtful, unsettled)
4
shaky(adjective, uncertain, doubtful, dubious)
3
Delphic(insecure, unsure, unfathomable, impenetrable)
3
iffy(adjective, clear, open, informal, certain)
2
suspicious(adjective, uncertain, doubtful, unsettled)
1
betwixt and between(expression, adjective, idiom, open, uncertain)
1
diffident(uncertain, doubtful, insecure, unsure)
1
distrustful(adjective, uncertain, doubtful, hesitant)
1
fluctuant(adjective, uncertain, doubtful, shaky)
1
fly-by-night(adjective, uncertain, doubtful, hesitant)
1
hanging by thread(expression, idiom, insecure, unsure)
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APASmart Define. (2015). unclear thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unclear/thesaurus/synonyms
ChicagoSmart Define. 2015. "unclear thesaurus" https://smartdefine.org/unclear/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, unclear thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unclear/thesaurus/synonyms>.
MLASmart Define. "unclear thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/unclear/thesaurus/synonyms>