Synonyms|2Antonyms|0|Broader|1Narrower|0Related|1
4
best friend(noun, close, intimate, relation, friend)
1
soul sister
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APASmart Define. (1970). lifelong friend thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/lifelong_friend/thesaurus/synonyms
ChicagoSmart Define. 1970. "lifelong friend thesaurus" https://smartdefine.org/lifelong_friend/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 1970, lifelong friend thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/lifelong_friend/thesaurus/synonyms>.
MLASmart Define. "lifelong friend thesaurus" 1 January 1970. Web. 24 September 2026. <https://smartdefine.org/lifelong_friend/thesaurus/synonyms>