1
distrustful(adjective, uncertain, nervous, doubtful, shaky)
1
dodger(exile, outlaw, outcast)
1
double-minded(adjective, irresolute)
1
draft
1
dubitable(uncertain, doubtful, unsure)
1
duplicitous
1
dying
1
elastic
1
ephemera
1
error-prone(adjective, unreliable, insecure, treacherous, incalculable)
1
escaper(exile, outlaw, outcast)
1
evacuee(exile, outlaw, outcast)
1
fairweather(adjective, unreliable, insecure, treacherous, incalculable)
1
false(adjective, light, weak, slight, thin)
1
far-fetched(uncertain, doubtful, unsure)
1
fast and loose(adjective, unreliable, insecure, treacherous, incalculable)
1
fishy(wrong, uncertain, immoral, doubtful, unsure)
1
fitful(adjective, capricious)
1
flashing
1
fleet
10 years ago|3.8k views|share |citing 
APASmart Define. (2016). fly-by-night thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/fly-by-night/thesaurus/synonyms
ChicagoSmart Define. 2016. "fly-by-night thesaurus" https://smartdefine.org/fly-by-night/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, fly-by-night thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/fly-by-night/thesaurus/synonyms>.
MLASmart Define. "fly-by-night thesaurus" 26 February 2016. Web. 28 September 2026. <https://smartdefine.org/fly-by-night/thesaurus/synonyms>