1. to move or flow in a circle or circuit
2. to spread or distribute widely among people
3. to move freely among people in a social setting

Examples

• Blood circulates through the body via arteries and veins.
• Air circulates through the building’s ventilation system.
• The rumor circulates quickly through the school.
• The petition circulates among community members.
• She circulates at the party, greeting all the guests.
• The waiter circulates among the tables taking orders.
• Fresh air circulates when you open the windows.