Any action in opposition to a previous action.(noun)
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Use "counteraction" in a sentence
"Secretary at home from whom he receives orders, and the Secretary at Dublin to whom he is to give orders, if I did not believe that with all his failings he possesses a high and independent spirit, which will lead him to assert himself decisively in the very first moment of the counteraction, which is thus studiously and systematically provided to embarrass him in all his operations."
"Morale operations include all measures of subversion, other than physical, used to create confusion and division, and to undermine the morale and the political unity of the enemy through any means from within, or purporting to emanate within, enemy countries; or from bases within areas where action and counteraction may be effective against the enemy."
"Wars being dynamic, this procrastination can only aid the enemy, which is being afforded leisure to expand its region of effectiveness and harden itself against eventual American counteraction."