Thesaurus.com
Dictionary.com
Showing results for stepsister.
Definitions

stepsister

[step-sis-ter] / ˈstɛpˌsɪs tər /
NOUN
kinsman
Synonyms
STRONG
agnate aunt blood brother-in-law cognate connection cousin father father-in-law folk folks grandparents in-laws kin kinsperson kinswoman mother mother-in-law nephew niece relation sib sibling sister-in-law stepbrother stepparent uncle
WEAK
clansperson great-grandparents
NOUN
kinswoman
Synonyms
STRONG
agnate aunt blood brother-in-law cognate connection cousin father father-in-law folk folks grandparents in-laws kin kinsman kinsperson mother mother-in-law nephew niece relation sib sibling sister-in-law stepbrother stepparent uncle
WEAK
clansperson great-grandparents
NOUN
relative
Synonyms
STRONGEST
aunt cousin father folk mother niece sibling uncle
STRONG
agnate blood brother-in-law cognate connection father-in-law folks grandparents in-laws kinsperson mother-in-law nephew relation sib sister-in-law stepbrother stepparent
WEAK
clansperson great-grandparents

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Things will be stressful enough in the wake of her passing, and on top of that you will have to watch your stepsister like a hawk.

From MarketWatch • Feb. 13, 2026

What I found in this fairy tale is that the stepsister is the most relatable character and has been for thousands of years.

From Salon • Apr. 18, 2025

And all the dreamier if they put that team in her town — and not that stepsister city across the river.

From Los Angeles Times • Apr. 8, 2025

Baena's surviving family includes his mother Barbara Stern and stepfather Roger Stern; father Scott and stepmother Michele Baena; brother Brad Baena; stepsister Bianca Gabay and stepbrother Jed Fluxman.

From BBC • Jan. 7, 2025

Walking over to her stepsister, she placed the paper on the window seat.

From "Ash" by Malinda Lo