1
sister-in-law(noun, connection, relation, kin, relative)
1
stepbrother(noun, connection, relation, kin, relative)
1
stepchild
1
stepmother
1
stepparent(noun, connection, relation, kin, relative)
0
analog(noun, relative, uncle, sib)
0
analogue(noun, relative, uncle, sib)
0
baby
0
blood-relationship(noun, relative, uncle, sib)
0
blood relationship(noun, expression, relative, uncle, sib)
0
child
0
consanguinity(noun, relative, uncle, sib)
0
family member
0
family tie(noun, expression, relative, uncle, sib)
0
filiation(noun, relative, uncle, sib)
0
grandparent(noun, relative, father, mother, folk)
0
half-brother
0
half-sisters
0
in-law(noun, relative, father, mother, uncle)
0
infant
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APASmart Define. (2015). stepsister thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/stepsister/thesaurus/synonyms
ChicagoSmart Define. 2015. "stepsister thesaurus" https://smartdefine.org/stepsister/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, stepsister thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/stepsister/thesaurus/synonyms>.
MLASmart Define. "stepsister thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/stepsister/thesaurus/synonyms>