noun as in strong fondness

Strongest matches

unmarried partner, cohabitee

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Example Sentences

Example:Despite their long-term commitment, they remained unmarried partners.

Definition:A person in a committed relationship who has not legally married their partner.

From unmarried partner

Example:She was the cohabitee in a relationship of ten years.

Definition:A person living together with a partner without being legally married.

From cohabitee