UNVOICED By N., Pam M.S. - April 29, 2013 adjective. designating speech noises which are articulated using breath, lacking vibration of the vocal cords. The noises consist of some voiced consonants. UNVOICED: "The unvoiced syllables in her statement were hard to make out." Related Psychology Terms VOICED VOWEL PHONATION VOICE-ONSET TIME (VOT) BREATHY VOICE GLOTTIS VOCALIZATION LARYNX BUCCAL SPEECH PLOSIVE Cite this page: N., Pam M.S., "UNVOICED," in PsychologyDictionary.org, April 29, 2013, https://psychologydictionary.org/unvoiced/ (accessed June 3, 2020).