stepsibling

See also: step-sibling

English

Alternative forms

• step-sibling

Etymology

Etymology tree

Proto-Indo-European *(s)tew-

Proto-Germanic *steupa-

Proto-West Germanic *steupa-

Old English stēop-

Middle English step-

English step-

English sibling

English stepsibling

From step- + sibling.

Noun

stepsibling (plural stepsiblings)

1. The child of one's stepparent by a previous relationship.

   Synonym: (slang) step

   Hyponyms: stepbrother, stepsister

   • 2007 April 19, Kate Murphy, “Stepfamilies Try to Stretch Their Space”, in The New York Times‎^[1], New York, N.Y.: The New York Times Company, →ISSN, →OCLC, archived from the original on 27 May 2025:

     With multiple stepparents, stepsiblings, half siblings and pseudosiblings, it’s a whole new type of family […] .

Translations

stepbrother or stepsister

• Finnish: puolisisarus, uussisarus, sisaruspuoli
• Georgian: არაღვიძლი დედმამიშვილი (araɣviʒli dedmamišvili), დედმამიშვილნაცვალი (dedmamišvilnacvali) (theoretical, in translations)
• Greek: ετεροθαλή αδέλφια n pl (eterothalí adélfia)
• Hungarian: mostohatestvér (hu)
• Icelandic: stjúpsystkini n
• Ido: stif-frato
• Indonesian: saudara tiri (id)
• Latin: comprivignum
• Polish: przybrane rodzeństwo n
• Swedish: styvsyskon (sv), plastsyskon, bonussyskon, låtsassyskon, extrasyskon