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

The big man, who won the 2016 NBA Championship as a member of the Cleveland Cavaliers, previously had his younger sibling under a guardianship, according to TMZ. —Brian Niemietz, New York Daily News, 29 Apr. 2026

Senior midfielder Peyton Brolley, Mane’s sister, continues to be impressed by her teammate and sibling. —Patrick Z. McGavin, Chicago Tribune, 29 Apr. 2026

Two siblings are grieving the loss of their parents, identified in an online post as victims of the shooting. —Karen Garcia, Los Angeles Times, 28 Apr. 2026

When the payments ended in 2025 and the siblings sought additional compensation, negotiations between the two parties reportedly became strained, causing the Cascio family to go public with the lawsuit and their new interview. —Nina Corcoran, Pitchfork, 27 Apr. 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