nasopharynx Syllabification: (na·so·phar·ynx)Pronunciation: /ˌnāzōˈfariNGks/Definition of nasopharynx noun Anatomy the upper part of the pharynx, connecting with the nasal cavity above the soft palate. Derivatives nasopharyngealPronunciation: /-fəˈrinj(ē)əl, -ˌfarinˈjēəl/ adjective nasopharynx in other Oxford dictionaries Definition of nasopharynx in the British & World English dictionary