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

Savannah Guthrie and her siblings appeared together in a video that appeared to address a possible kidnapper. —Anna Kaufman, USA Today, 6 Feb. 2026

Langstraat Bui is survived by her husband, siblings and parents, as well as seven nieces and nephews, her father-in-law Ban Bui; eight sisters-in-law, eight brothers-in-law and 42 Bui nephews and nieces. —Darcel Rockett, Chicago Tribune, 5 Feb. 2026

Savannah Guthrie, joined by her siblings, Annie and Cameron, delivered an emotional video plea directly addressing her mother’s potential abductor, begging for her safe return. —Jessica Schladebeck, New York Daily News, 5 Feb. 2026

The youngest of four brothers, Maye and his siblings made their mark as high-level athletes growing up in North Carolina. —Nathan Canilao, Mercury News, 5 Feb. 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