1. The state of being dumb.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• demoness,
• numbiness,
• dumbess,
• nunmbness,
• numbeness,
• numbnes,
• nmbness,
• humbness,
• dumbies,
• nymbness,
• dumness,
• dumbnese,
• dumbnness,
• dumbnesss,
• dumbnesse,
• dumbnes,
• dumenes,
• tumdness,
• Duckness,
• dummness

• dumpiness,
• numbness,
• dampness,
• dimness,
• drabness.

The adjective form of "dumbness" is "dumb".

The plural of the "dumbness" can be the "dumbnesses".

The singular of the "dumbness" can be the "dumbness".