1. to cover part of the same area or to have something in common
2. to happen at the same time as something else

1. an area where two things cover the same space or have something in common
2. a period of time when two events happen simultaneously

Examples

• The two circles overlap in the middle.
• Our work schedules overlap on Tuesdays and Thursdays.
• There’s significant overlap between the two research projects.
• The roof shingles should overlap by at least two inches.
• The meeting times overlap, so I can’t attend both.
• Scientists found an overlap in the DNA sequences.
• The overlap between the classes caused scheduling conflicts.