(Bangladesh, India, Pakistan) A female first cousin.

Alternative spelling of cousin sister

(chiefly India) plural of cousin sister

A half sister having the same mother but a different father; a maternal half sister.

(nonstandard) plural of sister-in-law

The half sister of one's spouse. / The wife of one's half-sibling. / The wife of the half-sibling of one's spouse.

(chiefly US, idiomatic, derogatory) A person who is cowardly or indecisive. / (chiefly US, idiomatic) A person or thing which is the least robust or least dependable member of a group.

plural of sisterfucker

(India, vulgar, offensive) An extremely undesirable person. / (literally, vulgar) One who engages in incestuous sex with their sister.

plural of half-sister