50 entries under light topic. ×

4
starved(adjective, dull, slight, fine)
4
undernourished(adjective, slight, thin, delicate)
3
cadaverous(adjective, dull, slight, fine)
3
haggard(adjective, dull, slight, fine)
3
shadow(adjective, dull, slight, fine)
3
slim(adjective, dull, slight, fine)
3
wasted(adjective, dull, slight, fine)
2
featherweight(dull, slight, fine, thin)
2
rangy(dull, slight, fine, thin)
1
attenuate(dull, slight, fine, thin)
1
attenuated(dull, slight, fine, thin)
1
beanpole(dull, slight, fine, thin)
1
beanstalk(dull, slight, fine, thin)
1
fragile(dull, slight, fine, thin)
1
narrow(dull, slight, fine, thin)
1
peaked(dull, slight, fine, thin)
1
pole(dull, slight, fine, thin)
1
rarefied(dull, slight, fine, thin)
1
reedy(dull, slight, fine, thin)
1
rickety(dull, slight, fine, thin)
11 years ago|8k views|share |citing 
APASmart Define. (2015). underweight thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/underweight/thesaurus/synonyms
ChicagoSmart Define. 2015. "underweight thesaurus" https://smartdefine.org/underweight/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, underweight thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/underweight/thesaurus/synonyms>.
MLASmart Define. "underweight thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/underweight/thesaurus/synonyms>