mail fraud mailer1 • mailguard · · · Info · Definitions · Characters · · mail fraud · · Text Common · · Latin · · Scripts 10 · · Length 3 · · Syllables Definitions · · · (noun) use of the mails to defraud someone. Synonyms: mail fraud. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 f latin small letter f U+0066 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D r latin small letter r U+0072 u latin small letter u U+0075