238 entries under adjective topic. ×
| transitory(transient, short-lived) | |
| volatile(capricious, irresolute) | |
| changeable(loose, short, unpredictable, unreliable) | |
| flitting(capricious, irresolute) | |
| fugacious(short, brief, temporary, transient) | |
| shifty(false, dishonest, deceitful, dubious) | |
| slippery(bad, wrong, informal, false) | |
| treacherous(false, dishonest, deceitful, dubious) | |
| vagabond(moving, idle, unsettled, exile) | |
| capricious(false, careless, loose, foolish) | |
| trustless(uncertain, dishonest, doubtful, deceitful) | |
| erratic(loose, unpredictable, unreliable, fickle) | |
| uncertain(nervous, doubtful, dubious, unpredictable) | |
| impulsive(capricious, irresolute) | |
| inconstant(loose, unpredictable, unreliable, fickle) | |
| mutable | |
| perishable(transient, transitory, short-lived) | |
| short-term | |
| temporal | |
| unstable(careless, loose, foolish, uncertain) |
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| APA | Smart Define. (2016). fly-by-night thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/fly-by-night/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "fly-by-night thesaurus" https://smartdefine.org/fly-by-night/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, fly-by-night thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/fly-by-night/thesaurus/synonyms>. |
| MLA | Smart Define. "fly-by-night thesaurus" 26 February 2016. Web. 29 September 2026. <https://smartdefine.org/fly-by-night/thesaurus/synonyms> |