Dictionary and Thesaurus

Definition of Impromptu

• (adv. / a.) Offhand; without previous study; extemporaneous; extempore; as, an impromptu verse.
• (n.) Something made or done offhand, at the moment, or without previous study; an extemporaneous composition, address, or remark.
• (n.) A piece composed or played at first thought; a composition in the style of an extempore piece.

Synonyms of Impromptu

• Ad-Lib
• Extemporaneous
• Extemporary
• Extempore
• Offhand
• Offhanded
• Off-The-Cuff
• Unrehearsed
• Ad Lib
• Ad Libitum
• Spontaneously

Antonyms of Impromptu

Homophones of Impromptu