impromptu

word

Definition

Done without planning or preparation; spontaneous or made up on the spot.

Usage & Nuances

Common in both formal and informal contexts, often used with 'speech', 'performance', 'meeting', or 'gathering'. Suggests no advance notice. Can describe both positive spontaneity and lack of preparation.

Example Sentences

He gave an impromptu speech at the meeting.

basic

They organized an impromptu party for her birthday.

basic

The impromptu performance surprised everyone.

basic

We went on an impromptu road trip just because the weather was nice.

natural

Sorry about the mess, this was an impromptu get-together.

natural

He was nervous but managed an impromptu reply to the question.

natural