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Meaning of “sister” in the English Dictionary

"sister" in British English

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sisternoun [C]

uk   /ˈsɪs.tər/  us   /ˈsɪs.tɚ/
A1 a girl or woman who has the same parents as another person: Sophie and Emily are sisters. Emily is Sophie's younger/little/older/big sister.
a girl or woman who treats you in the kind way that a sister would: Lynn's such a good friend - she's like a sister to me.
a woman who shares an interest with you, especially that of improving women's rights: [as form of address] "We must continue the fight, sisters!"
US old-fashioned informal used to address a woman: [as form of address] OK, sister, move it!
a female member of a religious group, especially a nun: Sister Bernadette [as form of address] God bless you, Sister.
UK a female nurse who is in charge of a department of a hospital: The sister told us that visiting hours were over. [as form of address] Excuse me, Sister, could I have some water?
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sisteradjective [before noun]

uk   /ˈsɪs.tər/  us   /ˈsɪs.tɚ/
belonging to a pair or group of similar and related things, such as businesses, usually owned or operated by the same person or organization: our sister company in Australia the US battleship Missouri and her sister ship, the Wisconsin
(Definition of sister from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"sister" in American English

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sisternoun [C]

 us   /ˈsɪs·tər/
a female who has the same parents as another person: an older/younger sister
A sister is also a woman who is a member of the same race, church, religious group, or organization as others: a sorority sister
Sister may be used as a form of address to a woman.
(Definition of sister from the Cambridge Academic Content Dictionary © Cambridge University Press)

"sister" in Business English

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sisteradjective [before noun]

uk   us   /ˈsɪstər/
used to describe one of the organizations or companies in a pair or group of similar organizations when referring to it in relation to the others: The competition is being run in conjunction with our sister publication Money Observer. sister company/organization
(Definition of sister from the Cambridge Business English Dictionary © Cambridge University Press)
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“sister” in British English

A bunch of stuff about plurals
A bunch of stuff about plurals
by ,
May 24, 2016
by Colin McIntosh One of the many ways in which English differs from other languages is its use of uncountable nouns to talk about collections of objects: as well as never being used in the plural, they’re never used with a or an. Examples are furniture (plural in German and many other languages), cutlery (plural in Italian), and

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