sib
Shared-parent relative, briefly
Sib is informal for sibling—a brother or sister.
The word appears in casual speech and writing: I have three sibs.
In genetics and anthropology, sib sometimes takes on more technical meanings related to kinship groups, but everyday use simply shortens sibling.
Male with shared parents
- sisterFemale sibling
- twinOne of matched pair
- tripletSet of three
- stepsiblingNon-biological brother or sister
fraternal · identical · birth order · rivalry · bond · playmate · confidant · roommate
Connected by blood
- kinBlood-connected people
- kindredRelations by blood
- kinfolkFamily members collectively
- blood relationPerson sharing your ancestry
family member · next of kin · cousin · nephew · niece · clan · tribe · consanguinity
Descent from progenitors
- ancestryFamily line of descent
- bloodlineAncestry through generations
- heritageInherited cultural legacy
- descentDownward slope or lineage
forebears · ancestors · descendants · progeny · offspring · progenitors · genealogy · family history
brother
Male with shared parents
stepsibling · fraternal · identical · birth order · rivalry · bond · playmate · confidant · roommate · hand-me-downs
relative
Connected by blood
blood relation · family member · next of kin · cousin · nephew · niece · clan · tribe · consanguinity · relation
lineage
Descent from progenitors
- ancestryFamily line of descent
- bloodlineAncestry through generations
- heritageInherited cultural legacy
descent · forebears · ancestors · descendants · progeny · offspring · progenitors · genealogy · family history · pedigree
- siblingsbrother, sister, twins, brothers, sisters
- NowruzNowruz, sir, seer, spring equinox, vernal equinox
- kinshipmother, father, sister, brother, children
- heritagecultural traditions, museum, national heritage, archive, monument
- kinship systemsclan, tribe, lineage, dynasty, household
- kinship groupskinship group, kindred, kinfolk, clan, tribe
sibstranger
Person not yet known
non-relative · outsider · friend · acquaintance · colleague
- older siblingFamily member born earlier
- sibling rivalryCompetition between children sharing parents
- half siblingsSiblings sharing one parent
- middle siblingSibling between oldest, youngest
- sibling rivalriesCompetition between brothers/sisters
- sibling bondRelationship between family-born peers