1
amicus curiae
1
amigo(noun, companion, friend, sister)
1
analog(noun, companion, friend, contemporary, acquaintance)
1
analogon
1
analogue
1
assistant(noun, companion, friend, contemporary, acquaintance)
1
attorney
1
backer
1
backup
1
backup man
1
bedmate(noun, companion, friend, contemporary, acquaintance)
1
better self
1
bosom buddy(noun, expression, associate, companion, friend)
1
bride(noun, companion, friend, contemporary, acquaintance)
1
casual acquaintance
1
china
1
chip off the old block(noun, expression, idiom, likeness, replica)
1
classmate(noun, associate, companion, friend, contemporary)
1
close acquaintance
1
close copy
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APASmart Define. (2015). alter ego thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/alter_ego/thesaurus/synonyms
ChicagoSmart Define. 2015. "alter ego thesaurus" https://smartdefine.org/alter_ego/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, alter ego thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/alter_ego/thesaurus/synonyms>.
MLASmart Define. "alter ego thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/alter_ego/thesaurus/synonyms>