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

Full House One sibling, according to the OP's post, wants three rooms—one for them, one for their five-year-old and one for their three-year-old. —Justin Gest, Newsweek, 11 Feb. 2025

The manner of death for the siblings was homicide and Hughes’ manner of death was ruled a suicide, according to WBND. —Jennifer Rodriguez, Kansas City Star, 10 Feb. 2025

This is a good day for conversations with siblings, relatives and neighbors. —Georgia Nicols, The Denver Post, 10 Feb. 2025

As part of one of the most famous sibling duos in sports history alongside her sister Serena, Williams has spent much of her life in the public eye. —Jordana Comiter, People.com, 7 Feb. 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