S26-927720 (ĭn-kŏm′pĭ-tīnt păl′ă-tĭl sĭn′drōm″) Incomplete or ineffective separation by the soft palate of the nasopharynx from the oropharynx, characterized by hypernasality and distortion of speech called whinolalia. This syndrome may be due to congenital or acquired defects of the palate.