waif-like
US /ˈweɪf.laɪk/
UK /ˈweɪf.laɪk/

1.
delgado, demacrado
resembling a waif, especially in being thin and fragile in appearance
:
•
Her waif-like figure made her seem even taller.
Su figura delgada la hacía parecer aún más alta.
•
The abandoned puppy had a waif-like appearance.
El cachorro abandonado tenía una apariencia demacrada.