Definition of obsessive noun from the Oxford Advanced Learner's Dictionary

 

obsessive

 noun
noun
BrE BrE//əbˈsesɪv//
 
; NAmE NAmE//əbˈsesɪv//
 
 
jump to other results
(psychology) a person whose mind is filled with thoughts of one particular thing or person so that they cannot think of anything else
See the Oxford Advanced American Dictionary entry: obsessive