150 entries under expression topic. ×

12
better half(noun, idiom, informal, partner)
9
alter ego(noun, idiom, match, associate)
6
have sex(verb, idiom, unite, breed)
6
make love(verb, idiom, have, unite)
5
married person(noun, idiom)
3
be intimate(verb, idiom, breed, lay)
3
bosom buddy(noun, idiom, associate, intimate)
3
close friend(noun, friend, person, companion)
3
first mate(noun, idiom)
3
kindred spirit(noun, friend, buddy, bud)
3
lie with(verb, phrasal verb, unite, lay)
3
old lady(noun, idiom, marriage)
3
old woman(noun, idiom, marriage)
3
other half(noun, companion, partner, spouse)
3
pair off(verb, phrasal verb)
3
sleep with(verb, phrasal verb, unite, engage)
2
Ilex paraguariensis(noun, idiom)
2
become one(verb, join, catch, tie)
2
couple up(verb, phrasal verb)
2
dead ringer(noun, reproduction, like, copy)
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APASmart Define. (2016). mate thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/mate/thesaurus/synonyms
ChicagoSmart Define. 2016. "mate thesaurus" https://smartdefine.org/mate/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, mate thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/mate/thesaurus/synonyms>.
MLASmart Define. "mate thesaurus" 26 February 2016. Web. 20 September 2026. <https://smartdefine.org/mate/thesaurus/synonyms>