sister-in-law

Brother's wife, perhaps

A sister-in-law is the sister of one's spouse, or the wife of one's sibling.

The term extends to the wife of one's spouse's sibling, though this usage is sometimes disputed by pedants.

My sister-in-law is coming for Thanksgiving.

Plural: sisters-in-law.

kinship

family

Related people together

relativeConnected by blood
in-lawsRelatives through marriage
kinBlood-connected people

niece · nephew · aunt · uncle · clan · lineage · heritage · ancestry · genealogy · relation

spouse's-sibling

in-laws

Relatives through marriage

familyRelated people together
siblingBrother or sister
kinshipState of being related

marriage · spouse · household · relatives · holidays · gatherings · visits · relationship · bond · connection

brother's-wife

bride

Woman getting married

weddingMarriage rite and feast
marriageFormal union between partners
in-lawsRelatives through marriage

family · reception · ceremony · engagement · honeymoon · anniversary · vows · bridesmaid · newlywed · spouse

Categories

relativesmother, father, brother, aunt, uncle
sibling in law
familymother, father, parents, siblings, parent
family membersmother, father, brother, son, daughter
kinshipmother, father, brother, children, parent
extended familyaunt, uncle, grandparents, grandparent, great aunt

Opposites

kinship type

sister-in-lawsister

Female sibling

blood sister · sibling · blood relative

gender within in-law relations

sister-in-lawbrother-in-law

Relative by marriage

generational level within in-laws

sister-in-lawmother-in-law

Spouse's maternal parent

father-in-law · daughter-in-law · son-in-law · parent-in-law

Family

sister, sisters, sisterhood, in-law, father-in-law, mother-in-law, son-in-law, brother-in-law, daughter-in-law

Familiarity: Top 20,000
Profile: Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G