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

His siblings have also poured money into left-leaning groups. — Mia Osmonbekov, Fortune, 2 Oct. 2026

The hair care brand, launched by siblings Akash and Nikita Mehta in 2020, has appointed Cécile Budge to the top post. — Noor Lobad, Footwear News, 1 Oct. 2026

At the core of the siblings’ relationship, there’s a love that’s still clean and pure. — Ben Travers, IndieWire, 1 Oct. 2026

Michele Reiner’s sister, Martine Singer, has opened up about the death of her sibling and director Rob Reiner, to whom her sister was married. — Charisma Madarang, Rolling Stone, 30 Sep. 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