77 entries under adjective topic. ×

16
skinny(dull, light, slight, fine)
12
scrawny(dull, slight, thin, delicate)
12
scraggy(dull, light, slight, thin)
11
bony(dull, slight, thin, delicate)
10
thin(dull, light, slight, fine)
9
gaunt(dull, light, slight, thin)
9
light(feature, characteristic, weight)
8
gangly(dull, light, slight, fine)
8
spare(dull, light, slight, fine)
7
lanky(dull, light, slight, thin)
7
undersized
7
weedy(dull, slight, thin, delicate)
6
emaciated(dull, slight, thin, delicate)
6
gangling(dull, light, slight, fine)
6
lank(dull, light, slight, fine)
6
lean(dull, light, slight, thin)
6
lightweight(feature, characteristic, dull, light)
6
skeletal(light, slight, thin, delicate)
6
skin and bones(expression, idiom, thin, scrawny)
6
slight(dull, thin, delicate, lifeless)
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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>