impishness impishly • impiteous · · · Info · Definitions · Synonyms · Characters · · impishness · · Text Latin · · Script 10 · · Length Definitions · · · (noun) the trait of behaving like an imp. Synonyms: mischievousness, puckishness, whimsicality. · · Noun Definition 1 Synonyms · · · mischievousness · · Synonym 1 puckishness · · Synonym 2 whimsicality · · Synonym 3 Characters · · e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E p latin small letter p U+0070 s latin small letter s U+0073