238 entries under adjective topic. ×
| dishonest(bad, wrong, false, immoral) | |
| fair-weather(dishonest, deceitful, unreliable, insecure) | |
| faithless(false, dishonest, deceitful, unreliable) | |
| fallible(unpredictable, unreliable, fickle, variable) | |
| fanciful(light, weak, slight, imaginary) | |
| feckless(madcap, unaccountable, irresponsive) | |
| flighty(careless, immoral, thoughtless, reckless) | |
| fly by night(unreliable, insecure, treacherous, incalculable) | |
| hesitant(uncertain, nervous, doubtful, insecure) | |
| inconsistent(loose, unpredictable, unreliable, variable) | |
| infirm(light, weak, slight, imaginary) | |
| irresolute(uncertain, nervous, doubtful, insecure) | |
| makeshift(unpredictable, fickle, variable, spontaneous) | |
| provisional | |
| quick(transient, transitory, short-lived) | |
| reckless(madcap, feckless, unaccountable, irresponsive) | |
| rootless(moving, uncertain, nervous, idle) | |
| scatterbrained(careless, immoral, thoughtless, reckless) | |
| shaky(unreliable, insecure, treacherous, incalculable) | |
| slimy(informal, unreliable, shady) |
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| APA | Smart Define. (2016). fly-by-night thesaurus. Retrieved September 30, 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 30, 2026). |
| Harvard | Smart Define 2016, fly-by-night thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/fly-by-night/thesaurus/synonyms>. |
| MLA | Smart Define. "fly-by-night thesaurus" 26 February 2016. Web. 30 September 2026. <https://smartdefine.org/fly-by-night/thesaurus/synonyms> |