1. Loss of voice or inability to produce vocal sound, often due to illness, injury, or psychological causes
The singer suffered from aphonia after the concert and had to cancel her upcoming performances.
A cantora sofreu de afonia após o concerto e teve que cancelar suas próximas apresentações.
2. In medical terminology, the complete loss of phonation or voicing ability
The patient's aphonia was caused by severe laryngitis.
A afonia do paciente foi causada por uma laringite severa.