Definition of obsessional adjective from the Oxford Advanced Learner's Dictionary

 

obsessional

 adjective
adjective
BrE BrE//əbˈseʃənl//
 
; NAmE NAmE//əbˈseʃənl//
 
 
jump to other results
thinking too much about one particular person or thing, in a way that is not normal She is obsessional about cleanliness. obsessional behaviour Perfectionist and obsessional thoughts can increase stress. They were receiving medical treatment for obsessional symptoms.
See the Oxford Advanced American Dictionary entry: obsessional