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

• platinized
• platinizes
• platinizing
• platinoid
• platinoids
• platinotype
• platinotypes
• platinous
• platinum
• platinum black
• platinum blacks
• platinum-blond
• platinum blonde
• platinum blondes
• platinum disc
• platinum discs
• platinum lamp
• platinum lamps
• platinum metal
• platinum metals
• platinum parachute
• platinums
• platinum sponge
• platitude
• platitudes