71 entries under idiom topic. ×
| in a cold sweat(expression, adjective, uncertain, anxious) | |
| in a dither(expression, adjective, uncertain, anxious) | |
| in a fog(expression, confused, lost, perplexed) | |
| in a sweat(expression, adjective, uncertain, anxious) | |
| more than doubtful | |
| not deserving belief | |
| on thin ice(expression, adjective, open, delicate) | |
| slim and none(expression, unlikely, implausible) | |
| sub judice(expression, questionable, inquiry, debatable) | |
| touch and go(expression, adjective, delicate, uncertain) | |
| unworthy of belief | |
| up for discussion(expression, adjective, uncertain, unsettled) | |
| up for grabs(expression, adjective, uncertain, vague) | |
| up in the air(expression, adjective, open, uncertain) | |
| without a clue(expression, confused, lost, perplexed) | |
| at a loss(expression, confused, lost, perplexed) | |
| all at sea(expression, perplexed, bewildered, mystified) | |
| be doubtful(expression, unbelief doubt) | |
| be unintelligible(expression, unintelligibility) | |
| beyond wildest dreams(expression, singular) |
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| APA | Smart Define. (2016). doubtful thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/doubtful/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "doubtful thesaurus" https://smartdefine.org/doubtful/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, doubtful thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/doubtful/thesaurus/synonyms>. |
| MLA | Smart Define. "doubtful thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/doubtful/thesaurus/synonyms> |