115 entries under noun topic. ×
| partner(associate, companion, friend, ally) | |
| acquaintance(associate, companion, friend, contemporary) | |
| brother(friend, sister) | |
| doppelganger(informal, personality, companion, counterpart) | |
| equivalent | |
| likeness(match, equivalent) | |
| shadow | |
| stand-in(double, clone, look-alike) | |
| bosom friend(expression, friend, buddy, bud) | |
| cohort(associate, companion, friend, contemporary) | |
| compeer(match, companion, friend, contemporary) | |
| complement(match, companion, friend, contemporary) | |
| coordinate(companion, friend, contemporary, acquaintance) | |
| friend(expression, person, affection, relationship) | |
| image(clone, look-alike) | |
| kindred spirit(expression, friend, buddy, bud) | |
| like(match, equivalent) | |
| lover(friend, buddy, bud, confidante) | |
| other self | |
| parallel(match, equivalent) |
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| APA | Smart Define. (2015). alter ego thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/alter_ego/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "alter ego thesaurus" https://smartdefine.org/alter_ego/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, alter ego thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/alter_ego/thesaurus/synonyms>. |
| MLA | Smart Define. "alter ego thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/alter_ego/thesaurus/synonyms> |