Definition of non-gay in US English:

non-gay

adjective

  • Not homosexual; having a sexual orientation other than homosexual; specifically heterosexual.

noun

  • A person who is not homosexual; specifically a heterosexual person.

Origin

1970s; earliest use found in Current Anthropology. From non- + gay.

Pronunciation

non-gay

/nɒnˈɡeɪ/