190 entries under adjective topic. ×
| fairweather(unreliable, insecure, treacherous, incalculable) | |
| faithless(unreliable, insecure, treacherous, incalculable) | |
| fallible(unreliable, insecure, treacherous, incalculable) | |
| fast and loose(unreliable, insecure, treacherous, incalculable) | |
| fitful(uncertain, unstable, irregular, doubtful) | |
| fly by night(unreliable, insecure, treacherous, incalculable) | |
| fraught with danger(expression, idiom, delicate, uncertain) | |
| going for broke(expression, idiom, delicate, uncertain) | |
| hanging by a thread(expression, idiom, delicate, uncertain) | |
| hesitant(open, uncertain, doubtful, vague) | |
| hopeless(unreliable, insecure, treacherous, incalculable) | |
| impugnable(delicate, uncertain, unstable, doubtful) | |
| in a quandary(expression, idiom, uncertain, nervous) | |
| inconstant(uncertain, irregular, doubtful, vague) | |
| irrational | |
| irregular(unusual, uncertain, unstable, doubtful) | |
| irresponsible(unreliable, insecure, treacherous, incalculable) | |
| jeopardous(delicate, uncertain, sensitive, unsound) | |
| lacking(uncertain, nervous, doubtful, shaky) | |
| loaded(delicate, uncertain, unstable, doubtful) |
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| APA | Smart Define. (2015). iffy thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/iffy/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "iffy thesaurus" https://smartdefine.org/iffy/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, iffy thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/iffy/thesaurus/synonyms>. |
| MLA | Smart Define. "iffy thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/iffy/thesaurus/synonyms> |