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Occurring or made hastily on impulse: a spur-of-the moment choice.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


sudden and unplanned
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


occurring or done without preparation or deliberation; impulsive: a spur-of-the-moment decision.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.spur-of-the-moment - in response to an unforeseen need; "a spur-of-the-moment party"
unprepared - without preparation; not prepared for; "unprepared remarks"; "the shock was unprepared"; "our treaty makers approached their immensely difficult problems unprepared"- R.E.Danielson
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


Spoken, performed, or composed with little or no preparation or forethought:
Informal: off-the-cuff.
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
The spur-of-the-moment decision did not appear to work, and a team of 12 volunteers were saddled with the job of getting him home safely.
Meanwhile Mr Haque has termed the slapping incident an unfortunate and spur-of-the-moment reaction.
Go added his clutch triple wasn't a spur-of-the-moment thing as it was the product of head coach Tab Baldwin's trust in them.
Runners in search of a spur-of-the-moment challenge can register on race morning from 5:30 to 6:45 a.m.
Subsequently, 11KV transmission line shattered down and intermingled with light transmission lines due to over-speeding and negligence of the driver, and the vehicle caught fire in a spur-of-the-moment, he added.
The miracle of the wine seems to be a spur-of-the-moment response to a human event: saving a family from embarrassment.
The statement also condemned the assassination of the liberated prisoners' leader, Samir Kontar, and a number of his friends in Syria, pointing that the bloc discussed the facts, dimensions and repercussions of the Israeli aggression which led to the martyrdom of Samir Kontar as well as "the suspicious call announced by the Saudi regime to create an anti-terrorism coalition." "The creation of regional coalitions does not take place in the spur-of-the-moment, an automatic proof that it (the coalition) is not taken seriously.
A Taste for Chaos: The Art of Literary Improvisation is a literary meta-analysis focusing on the power of spontaneity--writing from spur-of-the-moment ideas that can flow from anywhere, as opposed to intensively laborious or meticulous wordcraft.
Ensemble drama following the workers at a car showroom, revealing what happens when moments of desperation lead some of them into telling big lies - spur-of-the-moment deceptions that quickly spiral out of control.