Impromptu most often describes things, such as speeches or gatherings, that are not prepared ahead of time but that instead happen spontaneously. An impromptu concert or photoshoot, …

IMPROMPTU definition: made or done without previous preparation. See examples of impromptu used in a sentence.

IMPROMPTU meaning: 1. done or said without earlier planning or preparation: 2. done or said without earlier planning…. Learn more.

An impromptu action is one that you do without planning or organizing it in advance. This afternoon the Palestinians held an impromptu press conference. The children put on an …

Define impromptu. impromptu synonyms, impromptu pronunciation, impromptu translation, English dictionary definition of impromptu. adj. 1. Prompted by the occasion rather than being …

Nov 1, 2025 · Adjective impromptu (not comparable) Improvised; without prior preparation, planning or rehearsal.

impromptu, adv., n., & adj. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Definition of impromptu adverb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

1. Prompted by the occasion rather than being planned in advance: an impromptu party. 2. Spoken, performed, done, or composed with little or no preparation; extemporaneous: a few …

made or done without previous preparation: an impromptu address to the unexpected crowds. suddenly or hastily prepared, made, etc.: an impromptu dinner. having the character of an …