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

Accompanied by her three siblings and stepmother Bianca Censori, North West debuted a change in her faux facial piercings. — Arushi Jacob, Footwear News, 5 Nov. 2026

Like its bigger siblings, the ELF-MN1 pairs an LCD with a micro-optical lens layer and a high-speed sensor that tracks your pupils. — New Atlas, 5 Nov. 2026

Shopping for a jacket when the recipient isn’t standing next to you is nerve-wracking, especially when two of the most popular styles this fall look like siblings. — Ashley Lynch, Fort Worth Star-Telegram, 5 Nov. 2026

The 13-year-old rapper made an appearance, alongside her siblings Psalm West, 7, Chicago West, 8, and Saint West, 10, at Yeezy Flagship Droam 1 for the event on November 4, debuting a new look. — Christina Perrier, InStyle, 5 Nov. 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