1. Having a hard back or cover
   - hardback, hardbound, hardcover [N. Amer]

See also: backed

• sweet-faced
• sweet-flavored
• sweet-flavoured
• sweet-potato ring rot
• sweet-potato whitefly
• sweet-scented
• sweet-scented geranium
• sweet-smelling
• sweet-talk
• sweetbread
• sweetbreads
• sweetbriar
• sweetbrier
• sweeten
• sweetened
• sweetener
• sweetening
• sweetheart
• sweetie
• sweeting
• sweetish
• sweetleaf
• sweetleaf family
• sweetly
• sweetmeat