Definition of heterosexual
(Entry 1 of 2)
1a
: of, relating to, or characterized by sexual or romantic attraction to or between people of the opposite sex
heterosexual men/women a heterosexual couple
b
: of, relating to, or involving sexual activity between individuals of the opposite sex
2
: of or relating to different sexes
heterosexual
noun
plural heterosexuals
Definition of heterosexual (Entry 2 of 2)
: a person who is sexually or romantically attracted to people of the opposite sex : a heterosexual person
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Merriam-Webster unabridged
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Time Traveler for heterosexual
The first known use of heterosexual was in 1892
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