grammaticalize Syllabification: (gram·mat·i·cal·ize)Pronunciation: /grəˈmatikəˌlīz/Definition of grammaticalize verb [with object] Linguistics change (an element) from one having lexical meaning into one having a largely grammatical function. Derivatives grammaticalizationPronunciation: /-ˌmatikəliˈzāSHən/ noun grammaticalize in other Oxford dictionaries Definition of grammaticalize in the British & World English dictionary