238 entries under adjective topic. ×
| tentative | |
| throwaway | |
| touch and go(expression, idiom, uncertain, nervous) | |
| transitional | |
| tricky(false, loose, dishonest, deceitful) | |
| troublesome(unreliable, insecure, treacherous, incalculable) | |
| truthless(unreliable, insecure, treacherous, incalculable) | |
| two-faced(bad, wrong, false, dishonest) | |
| two-timing(bad, wrong, false, dishonest) | |
| unclear(uncertain, nervous, doubtful, hesitant) | |
| unconfident(uncertain, nervous, doubtful, shaky) | |
| unconvinced(uncertain, nervous, doubtful, hesitant) | |
| underhand(bad, wrong, false, dishonest) | |
| unethical(wrong, dishonest, immoral, unprincipled) | |
| unfixed | |
| unpredictable(careless, loose, foolish, immoral) | |
| unresolved | |
| unresponsible(madcap, feckless, unaccountable, irresponsive) | |
| unserviceable(unreliable, insecure, treacherous, incalculable) | |
| unsound(light, weak, slight, thin) |
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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> |