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

Unlike its older sibling, the brand-new location of Miami Slice is more than a slice counter. — Connie Ogle, Miami Herald, 11 Aug. 2026

Jodie is jealous of my friendship with these siblings and is trying to sabotage it by doing background checks on them to reveal any sordid thing that has happened to them or their kids. — R. Eric Thomas, Mercury News, 11 Aug. 2026

Unprovoked criticisms, accusations of stealing from the ailing parent and misguided health decisions often emerge from siblings and other family members. — Nicole Fallert, USA Today, 10 Aug. 2026

Short trips and conversations with daily contacts, siblings and relatives will interest you. — Georgia Nicols, Denver Post, 10 Aug. 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