Disavail is a uncommon word with an unusual spelling. Its pronunciation can be transcribed as /dɪsəˈveɪl/. The first syllable sounds like "diss," indicating a negative or opposite meaning. The second syllable sounds like "uh," with a schwa sound. The third syllable is pronounced like "vail," as in a veil that covers one's face. The word disavail means to be of no use or benefit, and can also be spelled as disavail.