Simple past tense and past participle of scour.(verb)
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Use "scoured" in a sentence
"On Friday, we again scoured the critical responses to find out what everyone's saying."
"Unfortunately, he didn't care for the way we phrased the question, so he refuses to have any further conflict with the site and all mentions of his name scoured from it."
"Ms. Leeds is conducting a search for a chief financial officer of a large publicly traded managed-care company and says she has "scoured" the universe of available candidates from within the industry, with little luck."