1. To render incapable or dull of hearing; to stun. To deafen a floor, to render it impervious to sound by filling the space beneath with mortar and other substances.

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

• deafeat,
• deafs,
• defens,
• defene,
• defen,
• defenc,
• deffent,
• defea,
• defent,
• daven,
• deffend,
• deven,
• defin,
• defedn,
• deafing,
• teaken,
• desien,
• leafeon,
• derren,
• decen

• deafened,
• defer,
• define,
• Devaney,
• deaden,
• deepen,
• Devin,
• deafens,
• deveney,
• defend,
• Devane,
• devon,
• deaf,
• deppen,
• Devan,
• dehaven,
• defame.

The adverb form of the word "deafen" is "deafeningly".

The adjective form of the word "deafen" is "deafening".

The plural form of the word "deafen" is "deafens"

The singular form of the word "deafen" is "deaf"