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

• low-bell
• low-bells
• low-born
• lowboy
• lowboys
• low-bred
• lowbrow
• lowbrows
• low-cal
• Low Church
• Low-Churchism
• Low-Churchman
• low comedies
• low comedy
• low-cost
• low-country
• low-cut
• low-down
• low-downer
• low-downers
• low-downs
• Low Dutch
• lowe
• lowed
• lower