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[pron-toh] /ˈprɒn toʊ/
adverb, Informal.
promptly; quickly.
Origin of pronto
1840-50, Americanism; < Spanish (adj. and adv.) quick, quickly < Latin promptus prompt (adj.) Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for pronto
Contemporary Examples
Historical Examples
  • pronto Helps him with a supply of similes, which, it seems, he did not think of readily.

    Meditations Marcus Aurelius
  • But what is there in the heart of pronto that is kept from Curio?

    Aurelian William Ware
  • pronto had chosen his own trail and gait back to the Three Star.

    Rimrock Trail J. Allan Dunn
  • Sandy, erect in the saddle, lean and keen, matched all of pronto's fitness.

    Rimrock Trail J. Allan Dunn
  • You forget it now, pronto, he commanded as he went out of the door.

    A Tenderfoot Bride Clarice E. Richards
British Dictionary definitions for pronto


(informal) at once; promptly
Word Origin
C20: from Spanish: quick, from Latin promptusprompt
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 pronto

1850, from Spanish pronto, perhaps influenced by Italian pronto (borrowed by English 1740), both from Latin promptus (see prompt).

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for pronto



Immediately; quickly; pdq

[1850+; fr Spanish]

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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