1. Lying on the back or with the face upward; leaning backward; sloping; negligent; heedless; indolent; thoughtless.

2. A modification of the Latin verb ending in um or u.

3. Lying on the back.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• swpie,
• supense,
• spinn,
• spene,
• svine,
• spune,
• syrine,
• spint,
• srping,
• supeise,
• supise,
• sping,
• spina,
• supend,
• supior,
• supeina,
• sopin,
• spiner,
• sufing,
• sluping

• spine,
• subpoena.

The adjective form of the word "supine" is "supine".

The plural form of the word "supine" is "supines".

The singular form of the word "supine" is "supinus".