1

sib

adjective \ ˈsib \
Updated on: 24 Mar 2018

Definition of sib

: related by blood : akin

Origin and Etymology of sib

Middle English, from Old English sibb, from sibb kinship; akin to Old High German sippa kinship, family, Latin sodalis comrade, Greek ēthos custom, character, Latin suus one's own — more at suicide


2

sib

noun

Definition of sib

b : a blood relation : kinsman
2 : a brother or sister considered irrespective of sex; broadly : any plant or animal of a group sharing a degree of genetic relationship corresponding to that of human sibs
3 : a group of persons unilaterally descended from a real or supposed ancestor

Recent Examples of sib from the Web

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

First Known Use of sib

before 12th century


Medical Dictionary

sib

noun \ ˈsib \

medical Definition of sib

: a brother or sister considered irrespective of sex; broadly : any plant or animal of a group sharing a degree of genetic relationship corresponding to that of human sibs

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