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

Jane, a former school teacher, is survived by her husband Bill, their three kids (Pitt and his younger siblings Doug and Julie) and 14 grandkids. —Benjamin Vanhoose, People.com, 7 Aug. 2025

In the 1990s films, the younger Addams sibling was portrayed by Jimmy Workman, the older brother of Modern Family actress Ariel Winter. —Randall Colburn, EW.com, 6 Aug. 2025

This dependency has created opportunities for entrepreneurs like the Piro siblings, who grew up in France before starting down two very different paths. —Maria Aspan, NPR, 5 Aug. 2025

At the time, Sunny was just 4 months old, having been found with his siblings, malnourished and covered in ticks. —Alyce Collins, MSNBC Newsweek, 5 Aug. 2025

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