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

Arguments over thermostat Prosecutors claim Sedhom had been planning to kill his sister since December 2025 after the siblings had multiple arguments about the temperature of their home's thermostat. —Katie Houlis, CBS News, 3 Apr. 2026

Shailin and her siblings come from a family of dissidents who have long hoped to see the government fall. —Cora Engelbrecht, New Yorker, 3 Apr. 2026

The siblings — along with other members of Maduro’s inner circle — were added to the Treasury’s list in September 2018, months after Maduro won reelection in a contest widely considered a sham because opposition politicians and parties were banned from participating. —Regina Garcia Cano, Los Angeles Times, 2 Apr. 2026

The original series ran on Disney Channel from 2007 to 2012, following the Russo family as its three siblings navigated the challenges of adolescence while mastering their magical abilities. —Ethan Shanfeld, Variety, 2 Apr. 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