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

While Wendy's is a public company, Morse and her siblings still own quite a few franchises. —Daysia Tolentino, Entertainment Weekly, 26 Dec. 2025

Kylie Jenner, Kardashian's youngest sibling, has a multitude of pooches, while sister Kendall Jenner proudly owns a horse named Arizona. —Lindsay Kimble, PEOPLE, 26 Dec. 2025

With Tuk being the youngest sibling and only biological daughter of Jake and Neytiri, she’s understandably treated with kid gloves. —Brian Davids, HollywoodReporter, 26 Dec. 2025

The Mail on Sunday noted that Thomas first shared news of his health condition with its reporter, not Meghan's half-siblings. —Stephanie Nolasco, FOXNews.com, 26 Dec. 2025

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