130 entries under feeble topic. ×

2
enfeebled(adjective, weak, delicate, ill, sick)
2
gauzy(weak, slight, thin, tacky)
2
gossamer(adjective, weak, slight, thin)
2
lame(adjective, weak, flat, poor, thin)
2
languid(adjective, uncertain, shaky, hesitant)
2
little(adjective, light, weak, slight, easy)
2
makeshift(adjective, poor, uncertain, hesitant)
2
minor(adjective, weak, soft, gentle, mild)
2
papery(weak, slight, thin, tacky)
2
rocky(adjective, uncertain, shaky, hesitant)
2
rotten(adjective, bad, false, uncertain)
2
sheer(adjective, light, weak, slight, easy)
2
superficial(adjective, weak, soft, gentle, thin)
2
tacky(weak, slight, thin, fragile)
2
uncertain(adjective, doubtful, hesitant, sluggish)
2
undependable(adjective, uncertain, shaky, hesitant)
2
wasted(adjective, uncertain, useless, hesitant)
2
weakened(adjective, uncertain, shaky, hesitant)
2
wimpy(adjective, weak, thin, delicate)
1
tender(adjective, weak, delicate, uncertain)
10 years ago|15k views|share |citing 
APASmart Define. (2016). unsubstantial thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unsubstantial/thesaurus/synonyms
ChicagoSmart Define. 2016. "unsubstantial thesaurus" https://smartdefine.org/unsubstantial/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, unsubstantial thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unsubstantial/thesaurus/synonyms>.
MLASmart Define. "unsubstantial thesaurus" 30 March 2016. Web. 27 September 2026. <https://smartdefine.org/unsubstantial/thesaurus/synonyms>