underweight

US /ˌʌn.dɚˈweɪt/
UK /ˌʌn.dɚˈweɪt/
"underweight" picture
1.

kurus, berat badan kurang

below a weight considered normal or healthy

:
The doctor said the baby was slightly underweight.
Dokter mengatakan bayi itu sedikit kurus.
She was concerned about her dog being underweight.
Dia khawatir anjingnya kurus.