Simple past tense and past participle of ploy.(verb)
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Use "ployed" in a sentence
"All the machinations that the Court de-ployed to make certain that responsibility would be thrusted upon the WRA reveals not the genuine honesty of the Court but its political con-nivance."
"They me ployed this strategy because it was 1999 and promises were made that I would be brought up before 2000 to grease the wheels of the Situation."
"PHILLIPS: Despite a recent drop in violence in Iraq, about 26,000 additional U.S. troops will be ployed (sic) to the country next year."