"105405306"@en-us . "impromptu"@en-us . . "106795884"@en-us . . "an extemporaneous speech or remark; \"a witty impromptu must not sound premeditated\""@en-us . "0"^^ . . . "07239788-n"^^ . "107239788"^^ . . "impromptu"^^ . . . . "0"^^ . . .