"More unvocal" is a phrase that means to be less outspoken or not speaking with a clear, distinct voice. The spelling of "unvocal" uses the prefix "un-" to negate the word "vocal", which refers to the manner of speaking or singing. In IPA phonetic transcription, this word is pronounced ʌn'voʊkəl, with emphasis on the first syllable and using the symbol /ʌ/ for the vowel sound in "cup" and /oʊ/ for the diphthong sound in "go."