1. to gather or pile up; to accumulate
Usage: formal

1. heaped up; accumulated
Usage: formal; technical

Examples

• Evidence began to cumulate against the suspect.
• The snow continued to cumulate on the roof throughout the night.
• Years of research helped cumulate enough data for the study.
• The cumulate effect of small changes became significant over time.
• Debris tends to cumulate in the corner of the yard.
• The cumulate weight of the books made the shelf sag.