Noun
A daughter of one's stepfather or stepmother by a former marriage.
Source: Webster's dictionaryA 20-year old man in Dowa has been arrested for allegedly raping and impregnating his 14-year-old stepsister. Source: Internet
And Nicola Walker shines, too, as her shirty, sheep-farming stepsister Gillian. Source: Internet
Any accomplishment of mine was nothing, and anything my stepsister did was celebrated. Source: Internet
He had two half-brothers, John and Jim, and one stepsister, Judy. Source: Internet
Also at the funeral were Jessi's stepsister, Jacque, and stepbrother, Jeff. Source: Internet
But 86-year-old stepsister, Eva Schloss, who survived Auschwitz, did just that a few weeks ago, telling Newsweek that Trump "is acting like another Hitler by inciting racism." Source: Internet