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

Rollins and his two older siblings were all introduced to music early by their father, who was a clarinetist. —Don Heckman, Los Angeles Times, 26 May 2026

The siblings have, reportedly, never been close. —Stylecaster Editors, StyleCaster, 26 May 2026

Millions of children in the US are not being raised by their parents, but by grandparents, aunts, uncles, siblings, and other relatives. —Dana Taylor, USA Today, 26 May 2026

First Tee Week celebrates Libby Chamberlin, who joined the program at age seven, inspired by her siblings. —First Tee, Forbes.com, 26 May 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