96 entries under feeble topic. ×

1
tacky(weak, slight, thin, flimsy)
1
tender(adjective, weak, delicate, uncertain)
1
transparent(adjective, light, weak, slight, thin)
1
tumble-down(frail, flimsy, dilapidated, debilitated)
1
used(dilapidated, debilitated, deteriorated, decaying)
1
wasted(adjective, uncertain, frail, puny)
1
wavering(adjective, weak, delicate, uncertain)
1
weakened(adjective, weak, thin, delicate, uncertain)
1
weather-beaten(frail, flimsy, dilapidated, debilitated)
1
wobbly(adjective, weak, slight, thin, delicate)
1
worn(frail, flimsy, dilapidated, debilitated)
1
worn-out(dilapidated, debilitated, deteriorated, decaying)
0
cut-rate(weak, slight, thin, tacky)
0
deteriorated(dilapidated, debilitated, decaying, crumbling)
0
flaccid(adjective, uncertain, shaky, hesitant)
0
forceless(adjective, uncertain, shaky, hesitant)
0
hesitant(adjective, uncertain, shaky, sluggish)
0
impuissant(adjective, uncertain, shaky, hesitant)
0
irresolute(adjective, weak, delicate, uncertain)
0
lackadaisical(adjective, uncertain, shaky, hesitant)
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APASmart Define. (2016). insubstantial thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/insubstantial/thesaurus/synonyms
ChicagoSmart Define. 2016. "insubstantial thesaurus" https://smartdefine.org/insubstantial/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, insubstantial thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/insubstantial/thesaurus/synonyms>.
MLASmart Define. "insubstantial thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/insubstantial/thesaurus/synonyms>