stepsibling

noun

step·​sib·​ling ˈstep-ˌsi-bliŋ How to pronounce stepsibling (audio)
plural stepsiblings
: the child of one's stepparent : the stepchild of one's parent

Word History

First Known Use

1922, in the meaning defined above

Time Traveler
The first known use of stepsibling was in 1922

Browse Nearby Words

step rocket
stepsibling
stepsister
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Cite this Entry

“Stepsibling.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stepsibling. Accessed 13 Nov. 2025.

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