90 entries under idiom topic. ×

12
better half(noun, expression, informal, partner)
9
alter ego(noun, expression, match, associate)
6
have sex(verb, expression, unite, breed)
6
make love(verb, expression, have, unite)
5
married person(noun, expression)
3
be intimate(verb, expression, breed, lay)
3
bosom buddy(noun, expression, associate, intimate)
3
first mate(noun, expression)
3
old lady(noun, expression, marriage)
3
old woman(noun, expression, marriage)
2
Ilex paraguariensis(noun, expression)
2
have sexual relations(verb, expression, breed, lay)
2
married man(expression, companion, partner, marriage)
2
old crony(expression, friend)
2
old man(noun, expression, marriage)
2
spit and image(noun, expression, like, copy)
2
tie the knot(verb, expression, join, catch)
1
be made one
1
boon companion(noun, expression, associate, companion)
1
fellow companion(expression, similarity)
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APASmart Define. (2016). mate thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/mate/thesaurus/synonyms
ChicagoSmart Define. 2016. "mate thesaurus" https://smartdefine.org/mate/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, mate thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/mate/thesaurus/synonyms>.
MLASmart Define. "mate thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/mate/thesaurus/synonyms>