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Synonyms

sib

American  
[sib] / sɪb /

adjective

  1. related by blood; akin.


noun

  1. a kinsman; relative.

  2. one's kin or kindred.

  3. Anthropology. a unilateral descent group.

sib 1 British  
/ sɪb /

noun

  1. a blood relative

  2. a brother or sister; sibling

  3. kinsmen collectively; kindred

  4. any social unit that is bonded by kinship through one line of descent only

"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

SIB 2 British  

abbreviation

  1. (the former) Securities and Investments Board

"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

Etymology

Origin of sib

First recorded before 900; Middle English sib(e), sibb(e), Old English sib(b) (originally an adjective); cognate with Old Norse sifjar (plural) “relatives,” Old Frisian sib (adjective), sibba (noun), Middle Dutch sibbe (noun and adjective), German Sippe “kin”; gossip

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Awful in Celadon: I would alert the sib that parameters have been received and noted, and they will be treated as suggestions, not marching orders, thanks in advance for understanding.

From Washington Post • Mar. 28, 2023

Greg’s teen sib is a pill, too, especially next to his sage mom, antsy dad and supercute moppet kid-brother.

From New York Times • Dec. 3, 2021

With community support my sib lives in an apartment, with visits from our family members who help with housework.

From Washington Post • Feb. 17, 2015

Working with that emotional clay, a big brother could easily shape his little sib into nearly anything he wanted.

From Time • Jan. 8, 2015

But he comes of blood that was sib to ours.

From Olive A Novel by Bowers, G.