deafen deaf • deafening · · · Info · Definitions · Synonyms · Characters · · deafen · · Text Latin · · Script 6 · · Length Definitions · · · (verb) be unbearably loud. Example: "A deafening noise." · · Verb Definition 1 (verb) make or render deaf. Synonyms: deaf. Example: "A deafening noise." · · Verb Definition 2 (verb) make soundproof. Example: "Deafen a room." · · Verb Definition 3 Synonyms · · · deaf · · Synonym 1 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 n latin small letter n U+006E