Simple past tense and past participle of manipulate.(verb)
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Use "manipulated" in a sentence
"That the American public can be so easily manipulated is sad testimony to our characters."
"The point being, any system which allows minor changes to cascade over the entire system, and which allows itself to serve as a symbol within the system, thus changing the entire thing whenever manipulated, is likely to utterly defy prediction of any kind."
"Generally, the idea that the Red-State Democrats and Blue Dogs are simplistic, purely procedural, and therefore easily manipulated is a convenient assumption for certain arguments."