sister noun

ADJ. big, elder, older | baby, kid, little, small, wee, younger | twin | full (= sharing both parents) | half-(= sharing one parent), step-(also stepsister) (= the daughter from an earlier marriage of your stepfather or stepmother) | beloved, much-loved | dead, deceased, late | unmarried

PHRASES brother and sister Have you got any brothers and sisters? | like sisters The girls are so close, they're like sisters.