sib
1sib
adj \ˈsib\Definition of SIB
: related by blood : akin
Origin 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
First Known Use: before 12th century
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