1. The lack of power, skill, means, or competence to do something
His inability to swim prevented him from joining the water sports team.
A sua incapacidade de nadar impediu-o de se juntar à equipa de desportos aquáticos.
2. A physical or mental condition that limits one's movements, senses, or activities
She struggled with her inability to hear clearly.
Ela enfrentava dificuldades com a sua incapacidade auditiva.