48 entries under dubious topic. ×
| borderline(adjective, uncertain, nervous, doubtful, shaky) | |
| conniving(adjective, false, dishonest, deceitful) | |
| crooked(adjective, bad, wrong, false, dishonest) | |
| deceitful(adjective, false, dishonest, unpredictable) | |
| devious(adjective, false, dishonest, deceitful) | |
| distrustful(adjective, uncertain, nervous, doubtful, shaky) | |
| fluctuant(adjective, uncertain, nervous, doubtful, shaky) | |
| furtive(adjective, dishonest, deceitful, unpredictable) | |
| in a quandary(expression, adjective, idiom, uncertain, nervous) | |
| indeterminate(adjective, loose, uncertain, nervous, doubtful) | |
| lacking(adjective, uncertain, nervous, doubtful, shaky) | |
| mistrustful(adjective, uncertain, nervous, doubtful, shaky) | |
| open(adjective, uncertain, nervous, doubtful, hesitant) | |
| problematic(adjective, uncertain, nervous, doubtful, hesitant) | |
| skeptical(adjective, uncertain, nervous, doubtful, hesitant) | |
| slick(wrong, dishonest, immoral, suspicious) | |
| sneaky(adjective, bad, wrong, false, dishonest) | |
| suspicious(adjective, uncertain, nervous, dishonest, doubtful) | |
| touch and go(expression, adjective, idiom, uncertain, nervous) | |
| tricky(adjective, false, loose, dishonest, deceitful) |
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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> |