1. moving in waves; flowing back and forth
Usage: formal; literary
2. showing wavelike motion when pressed, as a fluid-filled swelling
Usage: medical

Examples

• The fluctuant waves lapped gently against the shore.
• Her fluctuant emotions made it difficult to predict her reactions.
• The doctor noted the fluctuant mass during the examination.
• The fluctuant movement of the curtains indicated a breeze.
• The cyst felt fluctuant to the touch, suggesting fluid content.
• Fluctuant tides created changing patterns in the sand.