Synonyms|462Antonyms|79|Broader|9Narrower|17Related|1.3k

49 entries under fly-by-night topic. ×

7
tricky(adjective, difficult, delicate, false, awkward)
6
fallible(adjective, unpredictable, unreliable, fickle, variable)
6
unsound(adjective, uncertain, unstable, feeble, unsettled)
4
false(adjective, dishonest, deceitful, unpredictable, unreliable)
4
unfaithful(adjective, false, dishonest, deceitful, unpredictable)
4
untrue(adjective, false, dishonest, deceitful, unpredictable)
2
deceitful(adjective, false, dishonest, unpredictable, unreliable)
2
disreputable(adjective, dubious, unpredictable, unreliable, fickle)
1
deceptive(adjective, false, dishonest, unpredictable, rotten)
1
makeshift(adjective, uncertain, feeble, shaky, hesitant)
0
delusive(adjective, unpredictable, fickle, variable)
0
erroneous(adjective, unpredictable, fickle, variable)
0
fake(adjective, unpredictable, fickle, variable)
0
furtive(adjective, unpredictable, fickle, variable)
0
hallucinatory(adjective, unpredictable, fickle, variable)
0
hollow(adjective, unpredictable, fickle, variable)
0
implausible(adjective, unpredictable, fickle, variable)
0
inaccurate(adjective, unpredictable, fickle, variable)
0
meretricious(adjective, unpredictable, fickle, variable)
0
mistaken(adjective, unpredictable, fickle, variable)
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APASmart Define. (2016). undependable thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/undependable/thesaurus/synonyms
ChicagoSmart Define. 2016. "undependable thesaurus" https://smartdefine.org/undependable/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, undependable thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/undependable/thesaurus/synonyms>.
MLASmart Define. "undependable thesaurus" 4 March 2016. Web. 29 September 2026. <https://smartdefine.org/undependable/thesaurus/synonyms>