| familiar(noun, love, friend, sister) | |
| sibling(noun, sister, consanguinity, brother) | |
| colleague(noun, friend) | |
| companion(noun, associate, friend, mate, accompaniment) | |
| friar(noun, clergy) | |
| intimate(noun, love, friend, sister) | |
| clergyman(noun, clergy) | |
| cousin(noun, friend, kinship, consanguinity) | |
| kinsman(noun, consanguinity, fellow man) | |
| abbot(noun, clergy) | |
| acquaintance(noun, friend, sister) | |
| ally(noun, friend) | |
| brethren | |
| confidant(noun, love, associate, friend, sister) | |
| aunt(noun, kinship, consanguinity) | |
| alter ego(noun, expression, idiom, similarity, friend) | |
| compeer | |
| equal | |
| monastic | |
| niece(noun, kinship, consanguinity) |
For more, visit
Brother on
Power Thesaurus
| APA | Smart Define. (2015). brother thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/brother/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "brother thesaurus" https://smartdefine.org/brother/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, brother thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/brother/thesaurus/synonyms>. |
| MLA | Smart Define. "brother thesaurus" 9 September 2015. Web. 25 September 2026. <https://smartdefine.org/brother/thesaurus/synonyms> |