535 entries under adjective topic. ×
| worthless(characteristic, quality, finance, banking) | |
| agitated(upset, rough, violent, anxious) | |
| alterable(change, changeable, changeableness) | |
| alternating(variable, changing, changeableness, fluctuating) | |
| ambiguous(delicate, uncertain, doubtful, unsettled) | |
| borderline(delicate, uncertain, nervous, doubtful) | |
| chancy(delicate, uncertain, doubtful, unsettled) | |
| crazy(wrong, careless, foolish, stupid) | |
| deviating(casual, variable, erratic, random) | |
| dilapidated | |
| eccentric(unusual, uncertain, irregular, unpredictable) | |
| elastic(lively, impulsive, unpredictable, changeable) | |
| ephemeral(short, limited, impulsive, unpredictable) | |
| fallacious(false, foolish, unreasonable, ill) | |
| fanciful(careless, unreasonable, unpredictable, changeable) | |
| fleeting(present, short, limited, brief) | |
| flexible(changeable, fickle, variable, volatile) | |
| flickering(irregular, disturbed, changeable, variable) | |
| flitting | |
| fly-by-night(careless, loose, foolish, uncertain) |
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| APA | Smart Define. (2016). unstable thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unstable/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "unstable thesaurus" https://smartdefine.org/unstable/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, unstable thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unstable/thesaurus/synonyms>. |
| MLA | Smart Define. "unstable thesaurus" 26 February 2016. Web. 27 September 2026. <https://smartdefine.org/unstable/thesaurus/synonyms> |