extemporization extempore • extemporize · · · Info · Definitions · Synonyms · Characters · · extemporization · · Text Latin · · Script 15 · · Length Definitions · · · (noun) a performance given extempore without planning or preparation. Synonyms: extemporisation, improvisation. · · Noun Definition 1 Synonyms · · · extemporisation · · Synonym 1 improvisation · · Synonym 2 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074 x latin small letter x U+0078 z latin small letter z U+007A