noun ·3 syllables ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   The daughter of one's stepparent by a previous relationship.
2. 2
   a sister who has only one parent in common with you wordnet
3. 3
   The stepdaughter of one's parent which is not one's half-sister.

Synonyms

All synonyms

auntblood brotherbrethrenbrotherbubbud

Example

More examples

"Tom just needs a little time to get used to the idea that Mary will now be his stepsister."

Etymology

From step- + sister.

Related phrases

stepsister-in-lawhalf sister

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.