sib
adjective
1. Having kinship or relationship; related by same-bloodedness; having affinity; being akin; kindred.
noun
1. a person's brother or sister
Similar word(s): sibling
Definition categories: person, relation, relative
2. one related by blood or origin; especially on sharing an ancestor with another
Similar word(s): cognate
verb
1. (transitive) To bring into relation; establish a relationship between; make friendly; reconcile.