impromptu

/ɪmˈprɑmptu/
adjective
  1. Done or said without planning or preparation; spontaneous.
    • The band played an impromptu concert in the park.
    • We had an impromptu meeting in the hallway to discuss the problem.
    • She gave an impromptu speech at the family dinner.
Antonyms
adverb
  1. Without preparation or planning; spontaneously.
    • They decided impromptu to go hiking instead of shopping.
    • The teacher asked the students to speak impromptu about their weekend.
    • He sang impromptu when his friends asked him to.
noun
  1. Something that is done or said without preparation, especially a short speech or performance.
    • His impromptu on the piano was surprisingly beautiful.
    • She delivered a clever impromptu at the award ceremony.
    • The comedian's impromptu had the audience laughing.
What does "impromptu" mean? | whatsthatwordmean | whatsthatwordmean