nasalize Syllabification: (na·sal·ize)Pronunciation: /ˈnāzəˌlīz/Definition of nasalize verb [with object] pronounce or utter (a speech sound) with the breath resonating in the nose: (as adjective nasalized)a nasalized vowelDerivatives nasalizationPronunciation: /ˌnāzəliˈzāSHən/ noun nasalize in other Oxford dictionaries Definition of nasalize in the British & World English dictionary