1. lying on one’s back with face upward
2. showing lack of effort or interest; passive or inactive
Usage: formal

Examples

• The patient lay supine on the examination table.
• She remained in a supine position during the yoga class.
• The government’s supine response to the crisis disappointed many citizens.
• He took a supine attitude toward his responsibilities.
• The supine figure was barely breathing.
• Critics accused the board of being supine in the face of corruption.
• The doctor asked her to lie supine for the procedure.