Simple past tense and past participle of collaborate.(verb)
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Use "collaborated" in a sentence
"The only time Woodward and Bernstein collaborated on a book again was on The Final Days, a meticulous reconstruction of the last 100 days of Nixon's presidency."
"In 1990 artist Mel Chin collaborated with Rufus L. Chaney, a senior research scientist at the US Department of Agriculture, on a project to detoxify a 60-square-foot section of the Pig's Eye landfill, a site heavily contaminated with zinc, lead, and cadmium, in St. Paul, Minnesota."
"For the NFB and the Canadian Broadcasting Corporation (CBC), Dyer and Viljoen again collaborated on Defence of Canada, a three-part series aired in 1986."