underweight

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

being very thin
- a child with skinny freckled legs
- a long scrawny neck
• Syn:
scraggy, boney, scrawny, skinny, weedy
• Similar to:
thin, lean
• Derivationally related forms:
skinniness (for: skinny), scrawniness (for: scrawny), boniness (for: boney), scrag (for: scraggy)

• Từ đồng nghĩa / Synonyms:
  scraggy, boney, scrawny, skinny, weedy