58 entries under unlikely topic. ×
| pending(open, uncertain, shaky, vague, unsure) | |
| slim(doubtful, implausible) | |
| slim and none(expression, idiom, doubtful, implausible) | |
| sneaky(shaky, unpromising) | |
| unconvincing(doubtful, implausible) | |
| uneasy(shaky, unpromising) | |
| unheard of(expression, doubtful, implausible) | |
| unsubstantial(doubtful, implausible) | |
| up for grabs(expression, adjective, idiom, uncertain, nervous) | |
| fanciful(doubtful, implausible) | |
| implausible | |
| impracticable(doubtful, implausible) | |
| inconceivable(doubtful, implausible) | |
| incredible(doubtful, implausible) | |
| rare(doubtful, implausible) | |
| unbelievable(doubtful, implausible) | |
| unimaginable(doubtful, implausible) | |
| unpromising |
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| APA | Smart Define. (2015). iffy thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/iffy/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "iffy thesaurus" https://smartdefine.org/iffy/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, iffy thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/iffy/thesaurus/synonyms>. |
| MLA | Smart Define. "iffy thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/iffy/thesaurus/synonyms> |