3
close friend(noun, expression, companion, friend, informal)
3
comrade(noun, associate, companion, friend, mate)
3
crony(noun, associate, companion, friend, mate)
3
friend(noun, expression, person, informal, affection)
3
pal(noun, associate, companion, friend, mate)
3
roommate(noun, associate, companion, ally, comrade)
3
soul mate(noun, expression, associate, companion, friend)
3
soulmate
2
amigo(noun, associate, companion, friend, mate)
2
associate(noun, companion, friend, mate, ally)
2
bedmate(noun, intimate, friend)
2
buddy(noun, associate, companion, friend, mate)
2
chum(noun, associate, companion, friend, mate)
2
classmate(noun, associate, intimate, companion, friend)
2
colleague(noun, associate, companion, friend, ally)
2
companion(noun, associate, friend, mate, ally)
2
consort(noun, associate, companion, ally, comrade)
2
mate(noun, associate, intimate, companion, friend)
2
partner(noun, associate, companion, friend, ally)
2
playmate(noun, associate, companion, ally, comrade)
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APASmart Define. (2015). bosom buddy thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/bosom_buddy/thesaurus/synonyms
ChicagoSmart Define. 2015. "bosom buddy thesaurus" https://smartdefine.org/bosom_buddy/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, bosom buddy thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/bosom_buddy/thesaurus/synonyms>.
MLASmart Define. "bosom buddy thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/bosom_buddy/thesaurus/synonyms>