0
unconvinced(nervous, insecure, unsure)
0
undependable(nervous, insecure, unsure, risky, dangerous)
0
undetermined(doubtful, vague, unsure)
0
unfixed(doubtful, vague, unsure)
0
unforeseeable(doubtful, vague, unsure)
0
unlikely(shaky, unpromising)
0
unpoised(uncertain, nervous, worried, hesitant, insecure)
0
unpredictable(doubtful, vague, unsure)
0
unpromising(shaky, unlikely)
0
unprotected(susceptible, risky, nonresistant)
0
unresolved(doubtful, vague, unsure)
0
untrustworthy(nervous, insecure, unsure, risky, dangerous)
0
untrusty(nervous, insecure, unsure)
0
up the creek(expression, idiom, susceptible, risky, nonresistant)
0
vacillating(nervous, doubtful, vague, insecure, unsure)
0
variable(doubtful, vague, unsure)
0
vincible(susceptible, risky, nonresistant)
0
vulnerable(delicate, uncertain, susceptible, rugged, risky)
0
wavering(nervous, doubtful, vague, insecure, unsure)
0
weak(nervous, insecure, unsure)
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APASmart Define. (2015). on thin ice thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/on_thin_ice/thesaurus/synonyms
ChicagoSmart Define. 2015. "on thin ice thesaurus" https://smartdefine.org/on_thin_ice/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, on thin ice thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/on_thin_ice/thesaurus/synonyms>.
MLASmart Define. "on thin ice thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/on_thin_ice/thesaurus/synonyms>