peaky

adjective2

1. •
   Sickly; peaked.

   • Her appetite did not improve, however, and she looked very thin and peaky. — 1956
2. •
   Characterised by peaks.

   • Or over hills with peaky tops engrail'd, / And many a tract of palm and rice, / The throne of Indian Cama slowly sail'd / A summer fann'd with spice. — 1842