sibling

noun

sib·​ling ˈsi-bliŋ 

1

: sib sense 2

also : one of two or more individuals having one common parent

2

: one of two or more things related by a common tie or characteristic

the sedan's smaller sibling

Examples of sibling in a Sentence

Recent Examples on the Web

Early in the session, the siblings began by reflecting on their childhoods growing up in a working-class neighborhood in Chicago, and the experiences that led them on contrasting career paths. —Lily Ford, HollywoodReporter, 2 June 2026

Barron, meanwhile, reportedly missed the event due to his distant relationship with his older half-siblings. —Allison Degrushe, StyleCaster, 2 June 2026

Six years after Crosby’s death, his eldest son Gary published a memoir alleging physical and emotional abuse by the entertainer toward his children—claims some of his siblings supported while others disputed. —Michelle Duncan, Architectural Digest, 2 June 2026

The Cheng siblings stepped in to run Sun Wah BBQ in 2008. —Eva Remijan-Toba, Chicago Tribune, 2 June 2026

Word History

First Known Use

before the 12th century, in the meaning defined at sense 1

Phrases Containing sibling

• sibling rivalry
• sibling species

Kids Definition

sibling

noun

sib·​ling ˈsib-liŋ 

: one of two or more individuals having the same parents or sometimes only one parent in common

Medical Definition

sibling

noun

sib·​ling ˈsib-liŋ 

: sib

also : one of two or more individuals having one common parent