countermine

countermine
    n 1: (military) a tunnel dug to defeat similar activities by the
         enemy
    v 1: destroy property or hinder normal operations; "The
         Resistance sabotaged railroad operations during the war"
         [syn: {sabotage}, {undermine}, {countermine}, {counteract},
         {subvert}, {weaken}]
    2: destroy enemy mines with one's own mines; "We countermined
       the banks of the river"
    

Countermine \Coun"ter*mine`\ (koun"t[~e]r*m[imac]n`), n.
   [Counter- + mine underground gallery: cf. F. contermine.]
   1. (Mil.) An underground gallery excavated to intercept and
      destroy the mining of an enemy.
      [1913 Webster]

   2. A stratagem or plot by which another sratagem or project
      is defeated.
      [1913 Webster]

            Thinking himself contemned, knowing no countermine
            against contempt but terror.          --Sir P.
                                                  Sidney.
      [1913 Webster]
    

Countermine \Coun`ter*mine"\ (koun`t[~e]r*m[imac]n"), v. t. [Cf.
   F. contreminer.] [imp. & p. p. {Countermined}; p. pr. & vb.
   n. {Countermining}.]
   1. (Mil.) To oppose by means of a countermine; to intercept
      with a countermine.
      [1913 Webster]

   2. To frustrate or counteract by secret measures.
      [1913 Webster]
    

Countermine \Coun`ter*mine"\, v. i.
   To make a countermine or counterplot; to plot secretly.
   [1913 Webster]

         'Tis hard for man to countermine with God. --Chapman.
   [1913 Webster]
    

49 Moby Thesaurus words for "countermine":
      abri, angle, approach trench, brew, bunker, cabal, collude,
      communication trench, complot, concoct, connive, conspire, cook up,
      counterplot, coupure, ditch, double sap, dugout, engineer,
      entrenchment, finagle, finesse, fire trench, flying sap,
      fortified tunnel, fosse, foxhole, frame, frame up, gallery, hatch,
      hatch a plot, hatch up, intrigue, lay a plot, machinate, maneuver,
      mine, moat, operate, parallel, plot, rig, sap, scheme, slit trench,
      trench, tunnel, wangle