hate mail hate • hateable · · · Info · Definitions · Characters · · hate mail · · Text Common · · Latin · · Scripts 9 · · Length 2 · · Syllables Definitions · · · (noun) mail that expresses the writer's dislike or hatred (usually in offensive language). Synonyms: hate mail. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D t latin small letter t U+0074