female sibling

English Thesaurus

1. a person's sister (noun.person)

hypernym	:	kinswoman,
definition	:	a female relative (noun.person)

hyponym	:	sis, sister,
definition	:	a female person who has the same parents as another person (noun.person)

antonym	:	male sibling,
definition	:	a sibling who is male (noun.person)

antonym	:	male sibling,
definition	:	a sibling who is male (noun.person)