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

Recent Examples on the Web

But after Sophie’s father dies, she’s forced to become a maid herself by her wicked stepmother and stepsisters. — Jennifer Maas, Variety, 10 June 2026

The 16-year-old boy accused of killing his stepsister on a cruise is allowed to stay out of jail with certain restrictions, a federal judge in Florida ruled. — Doug Lantz, ABC News, 27 May 2026

Georgina joined her future stepsisters in walking with the royal family to Easter Sunday service at Windsor Castle earlier this year and will likely be by their side once again as their parents tie the knot. — Meredith Kile, PEOPLE, 5 June 2026

Hudson's stepsister, Anna Kepner, had been traveling on the Carnival Horizon ship in November with her family, including Hudson. — Cbs Miami Team, CBS News, 27 May 2026

Word History

First Known Use

15th century, in the meaning defined above

Rhymes for stepsister

• resister
• resistor
• transistor
• blister
• lyster
• mister
• sister
• twister

Kids Definition

stepsister

noun

step·​sis·​ter ˈstep-ˌsis-tər 

: a daughter of one's stepparent by a former partner