HyperDic

English > 1 sense of the word half-sister:
NOUNperson half-sister, half sister, stepsistera sister who has only one parent in common with you
English > half-sister: 1 sense > noun 1, person
MeaningA sister who has only one parent in common with you.
Synonymshalf sister, stepsister
Broadersister, sisA female person who has the same parents as another person