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

Depending on their height, many kids may choose to go solo, but rides are designed so older siblings and adults can join them, if desired. — Eve Chen, USA Today, 1 July 2026

Two years into what was intended to be a seven-year apprenticeship, Walton quit and followed his siblings south. — Adam Van Brimmer, AJC.com, 30 June 2026

The elder siblings grew at double-digit rates in several key markets in both headcount and total assets in 2025. — Nick Lichtenberg, Fortune, 30 June 2026

The evening concluded with Hill’s son celebrating alongside his siblings YG Marley, Selah, Sara, Zion and Micah, as well as Hill’s parents, while guests toasted both the music icon’s latest honor and a family milestone. — Naomi Jeffries, HollywoodReporter, 30 June 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