Synonyms of sister in English:

sister


See US English definition of sister

See UK English definition of sister

See Spanish definition of hermana

noun

1‘I had nine brothers and sisters’

SYNONYMS
female sibling
informal sis
British rhyming slang skin and blister

2‘working together with our European brothers and sisters in the struggle against fascism’

SYNONYMS
comrade, friend, partner, associate, colleague

3‘Mother Mary Bernadette is one of nine sisters in the convent’

SYNONYMS
nun, novice, abbess, prioress, Mother Superior, Reverend Mother
bride of Christ, religious, conventual, contemplative
canoness
literary vestal
historical anchoress, ancress
rare vowess