Synonyms|201Antonyms|74|Broader|0Narrower|1Related|832
1
thin as a rail(expression, idiom, dull, slight, thin)
1
threadlike(dull, light, slight, fine, thin)
1
tonnage
1
twigginess
1
twiglike(dull, light, slight, fine, thin)
1
underdeveloped
1
underfed(adjective, undernourished)
1
undeveloped
1
wan(dull, light, slight, fine, thin)
1
weight
1
weightiness
1
wispy
1
withered
1
wizened(dull, light, slight, fine, thin)
0
anatomical(scrawny, skinny)
0
barebones
0
broomstick
0
cheeseparing
0
dull(lifeless, limp)
0
dwarfed
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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>