AskDefine | Define sib

Dictionary Definition



1 a person's brother or sister [syn: sibling]
2 one related by blood or origin; especially on sharing an ancestor with another [syn: blood relation, blood relative, cognate]

User Contributed Dictionary



From , itself from Old English sibb 'kinship'; akin to sippa and suus




  1. related, by birth or descent; similar to
    • 1980: But she got up to go, and Domenico obeyed me too in mock meekness, making himself sib and coeval to Hortense, submissive to frowning elder brother, something incestuous in it. — Anthony Burgess, Earthly Powers


  1. kindred, relatives; kinsman, blood relation.
  2. sibling, brother or sister (irrespective of gender); in biology extended to any group of animals or plants sharing a corresponding genetic relation
  3. a group of individuals unilaterally descended from a single (real or postulated) common ancestor

Derived terms


Old High German


West Germanic *sibhi, whence also Old English sife


sib n

Extensive Definition

SIB can refer to:
sib in German: SIB
sib in Esperanto: SIB
sib in Spanish: SIB
sib in French: SIB
sib in Italian: SIB

Synonyms, Antonyms and Related Words

affiliated, agnate, akin, allied, ancestry, avuncular, blood, blood relation, blood relative, clansman, closely related, cognate, collateral, collateral relative, congeneric, connections, consanguine, consanguinean, consanguineous, distaff side, distant relation, distantly related, enate, family, flesh, flesh and blood, folks, foster, friendly, german, germane, kin, kindred, kinfolk, kinnery, kinsfolk, kinsman, kinsmen, kinswoman, kith and kin, matrilateral, matrilineal, matroclinous, near relation, next of kin, novercal, of the blood, patrilateral, patrilineal, patroclinous, people, posterity, receptive, related, relations, relatives, sibling, spear kin, spear side, spindle kin, spindle side, sword side, tribesman, uterine, uterine kin, well-disposed
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