- Definitions|2
- Thesaurus|83
- Abbreviations|0
| half sister(noun, expression, idiom) | |
| half-sister | |
| sister | |
| aunt(noun, connection, relation, kin, relative) | |
| brother | |
| cousin | |
| father | |
| niece(noun, connection, relation, kin, relative) | |
| son | |
| uncle(noun, connection, relation, kin, relative) | |
| agnate(noun, connection, relation, kin, relative) | |
| blood | |
| blood brother | |
| brethren | |
| brother-in-law(noun, connection, relation, kin, relative) | |
| bub | |
| bud | |
| buddy | |
| clansperson(noun, connection, relation, kin, relative) | |
| cognate(noun, connection, relation, kin, relative) |
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| APA | Smart Define. (2015). stepsister thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/stepsister/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "stepsister thesaurus" https://smartdefine.org/stepsister/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, stepsister thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/stepsister/thesaurus/synonyms>. |
| MLA | Smart Define. "stepsister thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/stepsister/thesaurus/synonyms> |