4
meagre
4
onionskin
4
papery(adjective, strong, light, weak, slight)
4
powerless(adjective, uncertain, feeble, frail, puny)
4
precarious
4
questionable(adjective, weak, extraordinary, doubtful, absurd)
4
rocky(adjective, uncertain, inadequate, feeble, useless)
4
run-down(adjective, feeble, frail, debilitated, sordid)
4
shabby(adjective, slight, dirty, inadequate, feeble)
4
slim(adjective, weak, thin, delicate, feeble)
4
sylphlike(adjective, light, slight, easy, thin)
4
unpersuasive(adjective, weak, poor, feeble, implausible)
4
vague(adjective, reasoning)
3
cardboard(adjective, thin, frail, slim, insubstantial)
3
chewy(adjective, state, structure, frailty)
3
cobwebby(adjective, light, fine, thin, airy)
3
dilute
3
doddering(adjective, feeble, frail, dilapidated, debilitated)
3
ethereal(adjective, light, weak, soft, slight)
3
feathery(adjective, light, smooth, soft, slight)
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APASmart Define. (2016). flimsy thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/flimsy/thesaurus/synonyms
ChicagoSmart Define. 2016. "flimsy thesaurus" https://smartdefine.org/flimsy/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, flimsy thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/flimsy/thesaurus/synonyms>.
MLASmart Define. "flimsy thesaurus" 26 January 2016. Web. 23 September 2026. <https://smartdefine.org/flimsy/thesaurus/synonyms>