opposite sex

noun

: the other one of two sexes or genders
Crayfish recognize members of their species and opposite sex partly through pheromones, the signal-sending chemicals also used by many insects. David M. Lodge et al.
usually used with the; used especially to refer to women from the point of view of men or to men from the point of view of women
He gets nervous around people/members of the opposite sex. [=around women]Manifestations of gender identity disorder range from simply living as a member of the opposite sex to partial or maximal physical adaptation through hormonal and surgical treatment. Louis J. Gooren… every father feels a pang when his daughter begins to take a "healthy" interest in the opposite sex. Martin Amis

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Word History

First Known Use

1696, in the meaning defined above

Time Traveler
The first known use of opposite sex was in 1696

Dictionary Entries Near opposite sex

Cite this Entry

“Opposite sex.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/opposite%20sex. Accessed 28 Sep. 2022.

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Medical Definition

opposite sex

noun

: the other one of two sexes or genders
usually used with the
Manifestations of gender identity disorder range from simply living as a member of the opposite sex to partial or maximal physical adaptation through hormonal and surgical treatment. Louis J. Gooren, The New England Journal of Medicine
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