1. moved or caused to move continuously through a closed system or area
Usage: past tense of circulate
2. spread or distributed widely among people
Usage: past tense of circulate
3. moved around freely in a social gathering
Usage: past tense of circulate

Examples

• The air circulated through the ventilation system.
• Blood circulated through her veins.
• The petition circulated among the students.
• Rumors circulated quickly through the office.
• The host circulated among the guests at the party.
• The memo circulated to all departments.
• Fresh air circulated in the room after opening the windows.