dead-air dead ahead • dead-alive · · · Info · Definitions · Characters · · dead-air · · Text Common · · Latin · · Scripts 8 · · Length Definitions · · · (noun) an inadvertent interruption in a broadcast during which there is no sound. Synonyms: dead air. · · Noun Definition 1 Characters · · - hyphen-minus U+002D a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 r latin small letter r U+0072