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

Charlotte struggled to surmount her anger and bitterness toward her once-dear sibling. —Literary Hub, 12 May 2026

She is survived by her mother, four siblings, four children, and many grandchildren. —Kansas City Star, 12 May 2026

Mimicking their pro sports sibling is obviously a good plan. —Dan Woike, New York Times, 12 May 2026

Here's everything to know about Martin Short's family, including his late parents and his four siblings. —Emily Blackwood, PEOPLE, 12 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