sibling

[ sib-ling ]
/ ˈsɪb lɪŋ /

noun

a brother or sister.
Anthropology. a comember of a sib, a unilateral descent group thought to share kinship through a common ancestor.

adjective

of or relating to a brother or sister: sibling rivalry.

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Origin of sibling

before 1000; late Middle English: relative, Old English; see sib, -ling1

OTHER WORDS FROM sibling

half-sibling, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for sibling

British Dictionary definitions for sibling

sibling
/ (ˈsɪblɪŋ) /

noun

  1. a person's brother or sister
  2. (as modifier)sibling rivalry
any fellow member of a sib

Word Origin for sibling

C19: specialized modern use of Old English sibling relative, from sib; see -ling 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for sibling

sibling
[ sĭblĭng ]

n.

One of two or more individuals having one or both parents in common; a brother or sister.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.