From Longman Dictionary of Contemporary Englishproperlyprop‧er‧ly /ˈprɒpəli $ ˈprɑːpərli/ ●●●S1W2 adverb 🔊 🔊 1RIGHT/PROPER especially British English correctly, or in a way that is considered rightsyn right American English 🔊 The brakes don’t seem to be working properly. 🔊 Then he’s not doing his job properly. 🔊 Parents should teach their children to behave properly in public. 🔊 properly trained staff2especially British EnglishCOMPLETELY completely or fully syn thoroughly 🔊 Is the chicken properly defrosted? 🔊 The allegations were never properly investigated.3IN FACT formal really 🔊 Documents properly belonging to the family were taken away.properly speaking British English (=really) 🔊 It isn’t, properly speaking, a real science.4RIGHT/PROPERused to say that someone is right to do something syn rightlyquite/very/perfectly properly 🔊 People are, quite properly, proud of their homes.