Partner
[noun] a person with whom one shares an intimate or sexual relationship; a term used by both straight and gay people in place of “spouse,” “husband,” “wife,” "girlfriend,” “boyfriend,” “fiancé,” or fiancée,” to refer to a person with whom one is in a relationship; often used as a gender-neutral and sexual orientation-neutral term.
Ex: Sharon introduced Mark as her partner instead of her husband at the party.
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