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improvise

[im-pruh-vahyz] /ˈɪm prəˌvaɪz/
verb (used with object), improvised, improvising.
1.
to compose and perform or deliver without previous preparation; extemporize:
to improvise an acceptance speech.
2.
to compose, play, recite, or sing (verse, music, etc.) on the spur of the moment.
3.
to make, provide, or arrange from whatever materials are readily available:
We improvised a dinner from yesterday's leftovers.
verb (used without object), improvised, improvising.
4.
to compose, utter, execute, or arrange anything extemporaneously:
When the actor forgot his lines he had to improvise.
Origin of improvise
1820-1830
1820-30; < French improviser, or its source, Italian improvisare (later improvvisare), verbal derivative of improviso improvised < Latin imprōvīsus, equivalent to im- im-2 + prōvīsus past participle of prōvidēre to see beforehand, prepare, provide for (a future circumstance). See proviso
Related forms
improviser, improvisor, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for improvise
Contemporary Examples
Historical Examples
  • In cloudy weather you can improvise a game on the dining-room table.

  • But best of all were the evenings when the Marquis chose to improvise.

    The Inn at the Red Oak Latta Griswold
  • We found out about your invention only at the last moment and therefore had to improvise.

    Forever Robert Sheckley
  • The easiest stretcher for a scout to improvise is the coat stretcher.

    Boy Scouts Handbook Boy Scouts of America
  • And you shall see, too, what a lawyer-like defence I am able to improvise.

    Debts of Honor Maurus Jkai
British Dictionary definitions for improvise

improvise

/ˈɪmprəˌvaɪz/
verb
1.
to perform or make quickly from materials and sources available, without previous planning
2.
to perform (a poem, play, piece of music, etc), composing as one goes along
Derived Forms
improviser, noun
Word Origin
C19: from French, from Italian improvvisare, from Latin imprōvīsus unforeseen, from im- (not) + prōvīsus, from prōvidēre to foresee; see provide
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for improvise
v.

1826, back-formation from improvisation, or else from French improviser (17c.), from Italian improvisare "to sing or speak extempore," from improviso, from Latin improvisus "unforeseen, unexpected" (see improvisation). Or possibly a back-formation from improvisation. Related: Improvised; improvising.

Online Etymology Dictionary, © 2010 Douglas Harper
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