obsessionist
/əbˈsɛʃənɪst/ /əbˈsɛʃ(ə)nɪst/noun
A person who is subject to an obsession, an obsessive.
Origin
1920s; earliest use found in The Glasgow Herald. From obsession + -ist.
- unarmed
- unarmed combat
- unarranged
- unarticulated
- unartistic
- unartistically
- unary
- unascertainable
- unascertained
- unashamed
- unashamedly
- unashamedness
- unasked
- unaspirated
- unassailability
- unassailable
- unassailableness
- unassailably
- unassertive
- unassertively
- unassertiveness
- unassignable
- unassigned
- unassimilable
- unassimilated