126 entries under expression topic. ×
| not trustworthy(adjective, unpredictable, fickle, variable) | |
| off the deep end(adjective, idiom, delicate, sensitive) | |
| on a hunch(idiom, doubtful, speculative) | |
| on slippery ground(adjective, idiom, delicate, sensitive) | |
| on the spot(idiom, delicate, unsound, dangerous) | |
| open to doubt(idiom, doubtful, dubious, shady) | |
| open to suspicion(idiom, unbelief doubt) | |
| out of focus | |
| out of order(idiom, unreliable, uneven, variable) | |
| out on a limb(idiom, delicate, unstable, doubtful) | |
| outside chance(doubtful, unlikely, implausible) | |
| playing with fire(idiom, delicate, unsound, rugged) | |
| rings untrue(dubious, suspect, shady) | |
| running scared(adjective, anxious, nervous, doubtful) | |
| slim and none(idiom, doubtful, unlikely, implausible) | |
| touch and go(adjective, idiom, delicate, nervous) | |
| under consideration(idiom, inquiry) | |
| under discussion(idiom, inquiry) | |
| under investigation(idiom, inquiry) | |
| unheard of(doubtful, unlikely, implausible) |
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| APA | Smart Define. (2016). uncertain thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/uncertain/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "uncertain thesaurus" https://smartdefine.org/uncertain/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, uncertain thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/uncertain/thesaurus/synonyms>. |
| MLA | Smart Define. "uncertain thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/uncertain/thesaurus/synonyms> |