obsessionalismn.
/əbˈsɛʃn̩əlɪz(ə)m/, /əbˈsɛʃn̩l̩ɪz(ə)m/, /əbˈsɛʃənl̩ɪz(ə)m/, /əbˈsɛʃ(ə)nəlɪz(ə)m/, U.S. /əbˈsɛʃənlˌɪz(ə)m/, /əbˈsɛʃnəˌlɪz(ə)m/, /ɑbˈsɛʃənlˌɪz(ə)m/, /ɑbˈsɛʃnəˌlɪz(ə)m/ = obsessionality n. (esp. in non-specialist use).
ΘΚΠ
the mind > mental capacity > psychology > theory of psychoanalysis > libido > obsession > [noun] > quality of being obsessive
obsessiveness1944
obsessionalism1953
obsessionality1966
1953 Ethics 63 113/1 Neurosis should be subsumed to art, obsessionalism or epilepsy to religion, libidinal personality to politics.
1954 B. Karpman Sexual Offender ix. 131 Alcohol is the illegitimate satiation of appetite which she fights in obsessionalism based on sado-necrophilia.
1993 N.Y. Rev. Bks. 8 Apr. 36/2 Richard Dadd, an accomplished artist who was committed to Bethlem Hospital in 1844 after murdering his father, shows the same obsessionalism.
1998 Strad Sept. 949/2 There is a place in the development of any technique for a measure of obsessionalism.
This is a new entry (OED Third Edition, March 2004; most recently modified version published online March 2022).
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n.1953