1
reedy(dull, light, slight, fine, thin)
1
rickety(dull, light, slight, fine, thin)
1
scanty
1
scrawniness
1
short
1
shriveled(dull, light, slight, fine, thin)
1
shrivelled
1
skeleton(adjective, thin)
1
skinniness
1
slightness
1
slinky(dull, light, slight, fine, thin)
1
spareness
1
spidery
1
spindling
1
stalky(dull, light, slight, fine, thin)
1
stick(dull, light, slight, fine, thin)
1
stilt(dull, light, slight, fine, thin)
1
subtle(dull, light, slight, fine, thin)
1
thin-bellied
1
thin-fleshed
11 years ago|8k views|share |citing 
APASmart Define. (2015). underweight thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/underweight/thesaurus/synonyms
ChicagoSmart Define. 2015. "underweight thesaurus" https://smartdefine.org/underweight/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, underweight thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/underweight/thesaurus/synonyms>.
MLASmart Define. "underweight thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/underweight/thesaurus/synonyms>