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

• overgrained
• overgrainer
• overgrainers
• overgraining
• overgrains
• overgrass
• overgrassed
• overgrasses
• overgrassing
• overgraze
• overgrazed
• overgrazes
• overgrazing
• overgrazings
• overgreat
• overgreedy
• overgreen
• overgreened
• overgreening
• overgreens
• overgrew
• overground
• overgrow
• overgrowing
• overgrown