Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
voicelessness is a noun meaning "a disorder of the vocal organs that results in the loss of voice". It carries 3 recorded senses.
a disorder of the vocal organs that results in the loss of voice
speaking softly without vibration of the vocal cords
having no voice in the management or control of affairs
“the voicelessness of those who live in situations of hopelessness”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for voicelessness come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.