impromptu /im-prompˈtū/

1. Improvised, spontaneous, unrehearsed
2. Makeshift

1. Without preparation
2. On the spur of the moment

1. An extempore witticism or speech
2. An improvised composition
3. A musical composition with the character of an extemporization

• brontosaur
• brontosaurs
• brontosaurus
• brontosauruses
• Bronx cheer
• Bronx cheers
• Bronx hat
• bronze
• Bronze Age
• bronzed
• bronzed skin
• bronzed-winged pigeon
• bronzed-wing pigeon
• bronze medal
• bronze medals
• bronzen
• bronzer
• bronzers
• bronzes
• bronze-wing
• bronze-wing pigeon
• bronzier
• bronziest
• bronzify
• bronzing