69 entries under thin topic. ×

16
skinny(adjective, dull, light, slight, fine)
12
scrawny(adjective, dull, slight, delicate)
12
scraggy(adjective, dull, light, slight)
11
bony(adjective, dull, slight, delicate)
9
gaunt(adjective, dull, light, slight)
8
gangly(adjective, dull, light, slight, fine)
8
spare(adjective, dull, light, slight, fine)
7
lanky(adjective, dull, light, slight)
7
undersized
7
weedy(adjective, dull, slight, delicate)
6
emaciated(adjective, dull, slight, delicate)
6
gangling(adjective, dull, light, slight, fine)
6
lank(adjective, dull, light, slight, fine)
6
lean(adjective, dull, light, slight)
6
lightweight(adjective, feature, characteristic, dull, light)
6
skeletal(adjective, light, slight, delicate)
6
skin and bones(expression, adjective, idiom, scrawny)
6
slight(adjective, dull, delicate, lifeless)
5
angular(adjective, dull, slight, delicate)
5
meager(adjective, dull, slight, delicate)
11 years ago|8k views|share |citing 
APASmart Define. (2015). underweight thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/underweight/thesaurus/synonyms
ChicagoSmart Define. 2015. "underweight thesaurus" https://smartdefine.org/underweight/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, underweight thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/underweight/thesaurus/synonyms>.
MLASmart Define. "underweight thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/underweight/thesaurus/synonyms>