Meaning of the word impromptu in English

What does impromptu mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

impromptu

US /ɪmˈprɑːmp.tuː/
UK /ɪmˈprɒmp.tʃuː/

Adjective

done or said without earlier planning or preparation

Example:
He made an impromptu speech at the party.
The band gave an impromptu performance in the park.

Adverb

without being planned, organized, or rehearsed

Example:
The comedian performed impromptu, making up jokes on the spot.
They decided to travel impromptu, without any fixed plans.