stepsister
noun
step·sis·ter
ˈstep-ˌsi-stər 
: the daughter of one's stepparent : the stepdaughter of one's parent
Examples of stepsister in a Sentence
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The 16-year-old boy charged with raping and killing his 18-year-old stepsister aboard a cruise ship in November pleaded not guilty to the crime this week.
—
David Goodhue
april 23, Miami Herald, 23 Apr. 2026
And of course, there’s its Korean stepsister, the Kia EV2.
—New Atlas, 21 Apr. 2026
Allie Bieber Justin's stepsister, Allie Bieber (née Rebelo), was born on April 7, 2007.
—Emily J. Shiffer, PEOPLE, 20 Apr. 2026
That’s because Steps centers on Cinderella’s stepsisters, Lilith and Margot, reimagining them as far more than one-dimensional villains.
—Ryan Brennan
april 9, Sacbee.com, 9 Apr. 2026
See All Example Sentences for stepsister
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David Goodhue
april 23, Miami Herald, 23 Apr. 2026
And of course, there’s its Korean stepsister, the Kia EV2.
—New Atlas, 21 Apr. 2026
Allie Bieber Justin's stepsister, Allie Bieber (née Rebelo), was born on April 7, 2007.
—Emily J. Shiffer, PEOPLE, 20 Apr. 2026
That’s because Steps centers on Cinderella’s stepsisters, Lilith and Margot, reimagining them as far more than one-dimensional villains.
—Ryan Brennan
april 9, Sacbee.com, 9 Apr. 2026
See All Example Sentences for stepsister
Cite this Entry
“Stepsister.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stepsister. Accessed 29 Apr. 2026.
Copy CitationKids Definition
stepsister
noun
step·sis·ter
ˈstep-ˌsis-tər
: a daughter of one's stepparent by a former partner
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