14 entries under strong topic. ×

5
insecure(adjective, uncertain, steady, worried)
4
shaky(adjective, sound, doubtful)
3
hazardous
3
precarious(adjective, stable, doubtful, tricky)
3
risky(adjective, safe, dangerous)
3
unreliable(adjective, clear, dependable)
3
unsound(adjective, sound, well)
2
unsafe
0
bundle of nerves(expression, idiom)
0
going for broke(expression, idiom, honest)
0
perturbable
0
pettish
0
touchy
0
wired up(expression, calm)
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APASmart Define. (2016). sure thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sure/thesaurus/antonyms
ChicagoSmart Define. 2016. "sure thesaurus" https://smartdefine.org/sure/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, sure thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sure/thesaurus/antonyms>.
MLASmart Define. "sure thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/sure/thesaurus/antonyms>