SONANT By N., Pam M.S. - April 13, 2013 1. A vowel or a voiced con capable of forming a syllable or the nucleus of a syllable. 2. A nasal or liquid con that functions as a vowel. Compare semivowel. 3. Related to or having speech sounds. SONANT: "Sonant means to have speech sounds." Related Psychology Terms SEMIVOWEL BINARY FEATURE VOICE-ONSET TIME (VOT) ASSONANCE DYSPHONIA THALAMUS MANTRA PLOSIVE SCHWA STAGGERED SPONDAIC WORD TEST (SSW) Cite this page: N., Pam M.S., "SONANT," in PsychologyDictionary.org, April 13, 2013, https://psychologydictionary.org/sonant/ (accessed August 3, 2020).