an elder sister / a female cousin who's descended from an ancestor who is/was an older sibling to yours or your spouse's / a female who's (presumably) slightly older than you or the person you're talking to

I/me, your big sister / you, my big sister / I/me, your female cousin who's descended from an ancestor who is/was an older sibling to yours or your spouse's / you, my female cousin who's descended from an ancestor who is/was an older sibling to mine or my spouse's / I/me, a female who's (presumably) slightly older than you / you, a female who's (presumably) slightly older than me / you, a young-adult woman / you, the high schoolgirl reading this textbook / she/her, that admirable/lovable young-adult woman

she (young girl and older than the speaker)

sister-in-law (wife of older brother)

sisters

(chiefly literary) Synonym of chị (“elder sister”)

(rather childish) Synonym of chị (“you, that sister over there who I'm assuming is a little older than me”)

(folklore) a woman who got trapped on the Moon due to the lies of her younger brother, Cuội. / (figurative) the Moon

(slang) a female gang leader

siblings; brothers and sisters; boys and girls