sib·​ling | \ˈsi-bliŋ \

Definition of sibling 

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

Close to her heart were her loyal and loving siblings, William and Tilly Kaplan (pre-deceased), Shirley and (the late) Elliot Fleischer, and Harold and Dorothy Kaplan., "Edith Kabatznick," 3 July 2018 Sadly, three more cubs born to Mei Xiang in 2012, 2013, and 2015 (two of which were twin siblings to Bao Bao and Bei Bei) were stillborn or died a few days after birth. Katherine J. Wu, Smithsonian, "A Primer on the Zoo’s Possibly Pregnant Giant Panda," 28 June 2018 The Texas Civil Rights project has confirmed that two children that are siblings have been deported back to their home country without their parents. Ella Nilsen, Vox, "The Trump administration says it has reunited more than 500 families. One legal group in Texas has confirmed 4 cases.," 26 June 2018 While most of you may know Nikon as a camera company, microscopy is a sibling of photography in many ways beyond the involvement of high-end lenses. John Timmer, Ars Technica, "Some of this year’s best microscopy images," 17 Oct. 2018 Kushner, of course, is the younger sibling of Jared Kushner, President Donald Trump's son-in-law. Kate Storey, Town & Country, "What You Need to Know About Josh Kushner, Brother to Jared (and Fiancé to Karlie Kloss)," 24 July 2018 Why didn’t the agency tell the parents that there were other siblings out there? Josephine Livingstone, The New Republic, "Three Identical Men and a Mystery," 5 July 2018 Siegfried, the child of the dead siblings Sieglinde and Siegmund, has been raised, and kept ignorant, by the Niebelung Mime for one purpose: to retrieve the all-powerful Ring. Heidi Waleson, WSJ, "‘Siegfried’ Review: Far From Child’s Play," 6 Nov. 2018 The siblings met up with their fellow Angelenos over cocktails before being ushered to dinner by comedic performer Morgan Bassichis. Michaela Bechler, Vogue, "At Last Night’s Gala, the Hirshhorn Museum Celebrated Things in Twos," 6 Nov. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sibling.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of sibling

before the 12th century, in the meaning defined at sense 1

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Statistics for sibling

Last Updated

5 Dec 2018

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Time Traveler for sibling

The first known use of sibling was before the 12th century

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More Definitions for sibling



English Language Learners Definition of sibling

: a brother or sister


sib·​ling | \ˈsi-bliŋ \

Kids Definition of sibling

: a brother or sister an older sibling


sib·​ling | \ˈsib-liŋ \

Medical Definition of sibling 

: sib also : one of two or more individuals having one common parent

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More from Merriam-Webster on sibling

Spanish Central: Translation of sibling

Nglish: Translation of sibling for Spanish Speakers

Britannica English: Translation of sibling for Arabic Speakers Encyclopedia article about sibling

Comments on sibling

What made you want to look up sibling? Please tell us where you read or heard it (including the quote, if possible).


living or existing for a long time

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