acrolect Syllabification: (ac·ro·lect)Pronunciation: /ˈakrəˌlekt/Definition of acrolect noun Linguistics the most prestigious dialect or variety of a particular language (used especially in the study of Creoles). Compare with basilect, mesolect.Derivatives acrolectalPronunciation: /akrəˈlektl/ adjective Origin: 1960s: from Greek akron 'summit' + -lect as in dialectacrolect in other Oxford dictionaries Definition of acrolect in the British & World English dictionary