• synonyms


[noun koun-ter-mahyn; verb koun-ter-mahyn, koun-ter-mahyn]
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  1. Military. a mine intended to intercept or destroy an enemy mine.
  2. a counterplot.
verb (used with object), coun·ter·mined, coun·ter·min·ing.
  1. to oppose by a countermine.
verb (used without object), coun·ter·mined, coun·ter·min·ing.
  1. to make a countermine.
  2. Military. to intercept or destroy enemy mines.

Origin of countermine

late Middle English word dating back to 1425–75; see origin at counter-, mine2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for countermine

Historical Examples

  • They mine and countermine, until it isn't safe to predict who is immune and who isn't.

    The Brentons

    Anna Chapin Ray

  • Countermine:—As before, but moored 29-1/4' below the surface.

  • It is not an easy matter to decide just where the countermine should be sunk or how far to go.

  • I know where the mine is to be sprung; and I will countermine!'

  • They mine and countermine expeditiously in the Channel Fleet.

    A Fleet in Being

    Rudyard Kipling

British Dictionary definitions for countermine


noun (ˈkaʊntəˌmaɪn)
  1. military a tunnel dug to defeat similar activities by an enemy
  2. a plot to frustrate another plot
verb (ˌkaʊntəˈmaɪn)
  1. to frustrate by countermeasures
  2. military to take measures to defeat the underground operations of (an enemy)
  3. military to destroy enemy mines in (an area) with mines of one's own
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