Oxford Dictionary English voiceless adjectiveadjective BrE BrE//ˈvɔɪsləs// ; NAmE NAmE//ˈvɔɪsləs// (phonetics) Phonetics Add to my wordlistjump to other results (of consonants) produced without moving your vocal cords. For example, the consonants /p/, /t/ and /k/ are voiceless. synonym unvoiced opposite voiced See related entries: PhoneticsSee voiceless in the Oxford Advanced American DictionaryCheck pronunciation: voiceless oxfordlearnersdictionaries.com