sister Meaning, definition in Cambridge English Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of "sister" - English Dictionary

See all translations

sisternoun [C]

uk   /ˈsɪs.tər/  us   /-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! 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?
Compare
a female member of a religious group, especially a nun: Sister Bernadette [as form of address] God bless you, Sister.
More examples

sisteradjective [before noun]

uk   /ˈsɪs.tər/  us   /-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 Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of sister?
Add Cambridge dictionaries to your browser to your website

Definitions of “sister” in other dictionaries

Word of the Day
lap

to go past someone in a race who has been round the track one less time than you

Word of the Day

Are you a glass-half-full person? (Everyday Idioms)
Are you a glass-half-full person? (Everyday Idioms)
by Kate Woodford,
July 29, 2015
A reader of this blog recently asked for a post on idioms that are used in everyday English. This seemed like a reasonable request. After all, if you are going to make the effort to learn a set of English idioms, you want those idioms to be useful. The question, then, was

Read More 

exoskeleton noun
exoskeleton noun
July 27, 2015
a robotic device which goes around the legs and part of the body of a person who cannot walk and allows them to move independently and in an upright position The device, known as an exoskeleton, is strapped to the outside of a person’s limbs and can then be controlled by them.

Read More