1. in a way that shows an unhealthy and compulsive preoccupation with something

Examples

• She obsessively checked her phone every few minutes.
• He obsessively cleaned his apartment until everything was perfect.
• The artist obsessively worked on the same painting for months.
• She obsessively counted calories and weighed herself daily.
• He obsessively researched every detail before making any decision.
• The student obsessively reviewed her notes before the exam.