1. underweight - Noun
2. underweight - Adjective
3. underweight - Verb
4. underweight - Adjective Satellite
being very thin
Source: WordNetAll those rumors about her being underweight are trash. She's [Calista Flockhart] gorgeous. Ben Stiller
I was the worst, most sickly kid of all – 30 pounds underweight. The girls used to beat me up. Actually I was a mean kid, early on because I had no self-esteem. Jack LaLanne
40 percent of North Korean children suffer from stunted growth. 20 percent are underweight. Tom Lantos
a child with skinny freckled legs Source: Internet
a long scrawny neck Source: Internet
pale bony hands Source: Internet