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

The endeavor — which involved bulldozing local slums and replacing them with apartments for poor families — is the brainchild of Anne Guinness and Lady Adelaide Guinness (Ann Skelly), the siblings’ first cousin and Edward’s future wife. —Lynsey Eidell, PEOPLE, 26 Sep. 2025

Allen was 11 years old and was the only family member who had stayed home that day (his mother and siblings survived the crash). —James Hibberd, HollywoodReporter, 26 Sep. 2025

Her siblings were in and out of jail, and the family was regularly visited by Child Protective Services. —Greg Mellen, Oc Register, 26 Sep. 2025

The Goulden siblings added that having a shop this time of year in New York is the perfect time. —Stephen Garner, Footwear News, 26 Sep. 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