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English definition of “proper”

proper

adjective     /ˈprɒpər/
CORRECT [always before noun] B1 correct or suitable: the proper way to do something Please put those books back in the proper place.Suitable and acceptableQuite good, or not very goodManners and levels of formalityPolite and respectful
REAL [always before noun] mainly UK B1 real and satisfactory: his first proper job You should eat some proper food instead of just sweets.Reality and truth
ACCEPTABLE socially acceptable: It's not proper to interrupt someone when they're speaking.Suitable and acceptableQuite good, or not very goodManners and levels of formalityPolite and respectful
MAIN [always after noun] referring to the main or most important part of something: I live outside Cambridge - I don't live in the city proper.Essential or necessary
(Definition of proper adjective from the Cambridge Learner's Dictionary © Cambridge University Press)

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