scrawny in WordNet English dictionary

1. being very thin
   "a child with skinny freckled legs"; "a long scrawny neck"
   scraggy  boney  scrawny  skinny  underweight  weedy 
   
2. inferior in size or quality
   "scrawny cattle"; "scrubby cut-over pine"; "old stunted thorn trees"
   scrawny  scrubby  stunted