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

• autogamic
• autogamies
• autogamous
• autogamy
• autogeneses
• autogenesis
• autogenic
• autogenics
• autogenic training
• autogenies
• autogenous
• autogenously
• autogeny
• autogiro
• autogiros
• autograft
• autografts
• autograph
• autograph album
• autograph albums
• autograph book
• autographed
• autographic
• autographically
• autographies