Impromptu meaning

ĭm-prŏmp'to͝o, -tyo͝o
The definition of impromptu is something done without advance thought or without a plan.

When everyone gets together and decides to throw a party at the spur of the moment, this is an example of an impromptu party.

adjective
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Without preparation or advance thought; offhand.
adjective
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A short composition, especially for the piano, performed in an offhand or extemporized style.
noun
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An impromptu speech, performance, etc.
noun
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A Windows query and reporting tool from Cognos with support for a large variety of databases. It is capable of generating cross tabs for spreadsheets such as Excel, Lotus for Windows and Quattro Pro for Windows.
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The party began with an impromptu rendition of 'Happy Birthday'.

adjective
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Something, such as a speech, that is made or done extemporaneously.
noun
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(music) A short musical composition for an informal occasion often with the character of improvisation and usually to be played solo.
noun
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Any composition, musical or otherwise, that is created on the spot without preparation.
noun
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Prompted by the occasion rather than being planned in advance.

An impromptu party.

adjective
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Spoken, performed, done, or composed with little or no preparation; extemporaneous.

A few impromptu remarks.

adjective
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With little or no preparation; extemporaneously.
adverb
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Origin of impromptu

  • French from Latin in prōmptū at hand in in in–2 prōmptū ablative of prōmptus readiness from past participle of prōmere to bring forth prompt
    From American Heritage Dictionary of the English Language, 5th Edition
  • Borrowing from French impromptu
    From Wiktionary