impromptu
[形] 即興の
同義語・類似語
ad-lib, ad_lib, ad_libitum, extemporaneous, extemporary, extempore, off-the-cuff, offhand, offhanded, spontaneously, unrehearsed,
ad-lib, ad_lib, ad_libitum, extemporaneous, extemporary, extempore, off-the-cuff, offhand, offhanded, spontaneously, unrehearsed,