71 entries under implausible topic. ×

0
groundless(poor, unconvincing)
0
inane(poor, unconvincing)
0
puerile(poor, unconvincing)
0
rings phony(expression, unbelievable)
0
tenuous(poor, unconvincing)
0
trifling(poor, unconvincing)
0
trivial(poor, unconvincing)
0
ungrounded(poor, unconvincing)
0
untenable
0
wishful(poor, unconvincing)
-1
weakly(poor, unconvincing)
11 years ago|10k views|share |citing 
APASmart Define. (2015). improbable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/improbable/thesaurus/synonyms
ChicagoSmart Define. 2015. "improbable thesaurus" https://smartdefine.org/improbable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, improbable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/improbable/thesaurus/synonyms>.
MLASmart Define. "improbable thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/improbable/thesaurus/synonyms>