68 entries under weak topic. ×

16
feeble(adjective, strong, thin, frail)
16
unbelievable(adjective, great, flat, poor)
12
implausible(adjective, great, flat, poor)
11
flimsy(adjective, poor, thin, unreasonable)
10
thin(adjective, great, poor, delicate)
9
lame(adjective, flat, poor, thin)
8
questionable(adjective, great, flat, poor)
6
poor(adjective, flat, thin, delicate)
5
inconclusive(adjective, poor, thin, small)
5
suspect(adjective, extraordinary, unreasonable, dubious)
5
unpersuasive(adjective, poor, feeble, implausible)
4
fragile(adjective, thin, delicate, shaky)
4
inadequate(adjective, poor, thin, delicate)
4
ineffective(adjective, poor, inadequate, feeble)
4
insubstantial(adjective, flat, poor, thin)
4
shaky(adjective, thin, frail, likely)
4
slight(adjective, flat, poor, thin)
3
ineffectual(adjective, poor, thin, delicate)
3
paltry(adjective, thin, delicate, shaky)
3
unsatisfactory(adjective, poor, thin, false)
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APASmart Define. (2015). unconvincing thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unconvincing/thesaurus/synonyms
ChicagoSmart Define. 2015. "unconvincing thesaurus" https://smartdefine.org/unconvincing/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, unconvincing thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unconvincing/thesaurus/synonyms>.
MLASmart Define. "unconvincing thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/unconvincing/thesaurus/synonyms>