Synonyms|26Antonyms|0|Broader|0Narrower|0Related|2

25 entries under doubtful topic. ×

1
hundred-to-one(unlikely, implausible)
1
outside chance(expression, unlikely, implausible)
1
dubious(unlikely, implausible)
1
far-fetched(unlikely, implausible)
1
flimsy(unlikely, implausible)
1
iffy(unlikely, implausible)
1
improbable(adjective, likely, unlikely, implausible)
1
not likely(expression, unlikely, implausible)
1
questionable(unlikely, implausible)
1
slim(unlikely, implausible)
1
slim and none(expression, idiom, unlikely, implausible)
1
unbelievable(unlikely, implausible)
1
uncertain(unlikely, implausible)
1
unconvincing(unlikely, implausible)
1
unheard of(expression, unlikely, implausible)
1
unsubstantial(unlikely, implausible)
1
weak(unlikely, implausible)
0
fanciful(unlikely, implausible)
0
implausible
0
impracticable(unlikely, implausible)
<12>
15 years ago|100 views|share |citing 
APASmart Define. (2011). not expected thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/not_expected/thesaurus/synonyms
ChicagoSmart Define. 2011. "not expected thesaurus" https://smartdefine.org/not_expected/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2011, not expected thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/not_expected/thesaurus/synonyms>.
MLASmart Define. "not expected thesaurus" 23 May 2011. Web. 23 September 2026. <https://smartdefine.org/not_expected/thesaurus/synonyms>