impromptu
//ɪmˈprɒmp.tjuː//
Adjective
impromptuCanonical form
1
Done or said without earlier planning or preparation; spontaneous.
She gave an impromptu speech at the party.
Adverb
impromptuCanonical form
1
In a spontaneous manner; without preparation.
She decided to speak impromptu at the meeting.
Noun
1
A short piece of music, especially for piano, that is composed or performed without preparation.
The pianist performed a beautiful impromptu at the concert.
2
Something done or made without preparation; an improvised speech, performance, or action.
The comedian's impromptu had the audience laughing for minutes.