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

She is survived by five children, her mother, two siblings, 10 grandchildren, one great-grandchild and a large extended family. — Stepheny Price, FOXNews.com, 22 July 2026

Princess Delphine has attended royal events since and opened up about her relationship with her half-siblings. — Stephanie Petit, PEOPLE, 21 July 2026

The decision means that the brand, which is a corporate sibling of Volvo, is effectively giving up on the stateside market and shifting its focus to its home continent. — Bryan Hood, Robb Report, 21 July 2026

According to RadarOnline, Barron and his siblings don’t really get along. — Stylecaster Editors, StyleCaster, 21 July 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