1. happening at the same time
2. running parallel or side by side
Usage: geometry; technical
3. acting together or in agreement
Usage: formal

Examples

• The two meetings were concurrent, making it impossible to attend both.
• She received concurrent prison sentences totaling ten years.
• The software can handle multiple concurrent users.
• Concurrent lines never intersect in geometry.
• The study examined concurrent changes in temperature and rainfall.
• He was enrolled in three concurrent courses this semester.