Deafened (conditions)

* A deafened creature can’t hear and automatically fails ability checks that require hearing.

Source: 5e Core — official document

* A deafened creature can’t hear and automatically fails any ability check that requires hearing.

Source: 5e Core — official document

While you have the Deafened condition, you experience the following effect. * Can’t Hear. You can’t hear and automatically fail any ability check that requires hearing.

Source: 5e Core — official document

Other conditions