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proper

adjective (SOCIALLY ACCEPTABLE)
 
 
/ˈprɒp.ər/ US  /ˈprɑː.pɚ/

Definition

showing standards of behaviour that are socially and morally acceptable: [+ to infinitive] In those days it was considered not quite proper for young ladies to be seen talking to men in public. She was very proper, my grandmother - she'd never go out without wearing her hat and gloves.Suitable and acceptableQuite good, or not very good
(Definition of proper adjective (SOCIALLY ACCEPTABLE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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