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

So to them, their remaining embryos, possible siblings to their kids that are currently frozen at Kindbody, are priceless. —Megan De Mar, CBS News, 16 June 2026

The rest came from siblings, grandparents, extended family, peers and other community members, who all pitch in. —Darby Saxbe, The Conversation, 16 June 2026

His siblings Princess Charlotte, 11, and Prince Louis, 8, also attend the school. —Jennifer Hassan, USA Today, 16 June 2026

Indeed, many of Tsietsi’s 12 siblings, and even his parents, Nomkhitha and Joseph, got swept up in the ensuing political violence in which hundreds of protesters died and thousands more were injured. —Literary Hub, 16 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