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

Sarris grew up in a white family in Santa Rosa alongside three siblings. —Maddie Connors, Los Angeles Times, 24 June 2026

Ironically, though there have been reports for years that his six kids with Angelina Jolie don’t speak to him, Shiloh took it further than any of her siblings, filing for a name change on the day of her 18th birthday. —Lizzie Lanuza, StyleCaster, 23 June 2026

His dad instilled in him and his siblings that the most important thing was winning, not scoring. —Matthew Ho, New York Times, 23 June 2026

One late afternoon in early winter, two of my mom’s siblings and their spouses, all in their 20s and early 30s, came over to hang out. —Eythana Miller, The Dial, 23 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