Definition of come-outism in US English:

come-outism

noun

US
historical
  • The beliefs or practices of a come-outer; = come-outerism.

Origin

Mid 19th century; earliest use found in Social Pioneer & Herald of Progress. From to come out + -ism, after come-outer.

Pronunciation

come-outism

/kʌmˈaʊtɪz(ə)m/