stepsister
nounEtymology From step- + sister.
1
The daughter of one's stepparent by a previous relationship.
2
The stepdaughter of one's parent which is not one's half-sister.
- Synonyms
- stepsis
- Derived terms
- stepsister-in-law, stepsisterly
- Hypernyms
- stepdaughter, stepsibling, stepfamily