Simple past tense and past participle of trammel. (verb)
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Use "trammeled" in a sentence
"There were its anticompetitive actions that "trammeled" the process that normally encourages innovation and consumer benefit."
"We're not talking trammeled, double track; we're talking artfully engineered, sustainably built serpentine trail that flows with the natural landscape."
"Of course, rich Western countries can't easily wag a finger at China's labor practices, since Beijing is simply following a neocolonial path already well-trammeled by multinational moguls like Shell and Hershey's."