simper simpai • simperer · · · Info · Definitions · Synonyms · Characters · · simper · · Text Latin · · Script 6 · · Length Definitions · · · (noun) a silly self-conscious smile. · · Noun Definition 1 (verb) smile affectedly or derisively. Synonyms: smirk. · · Verb Definition 1 Synonyms · · · smirk · · Synonym 1 Characters · · e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073