Simple past tense and past participle of deactivate.(verb)
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Use "deactivated" in a sentence
"Regarding the Bookstore program, all book, compact disc and gift certificate links will be deactivated from the CJ program as of Friday, October 12th."
"In the interim, all of the weapons are being deactivated, which is less than complete dismantlement."
"The results above were tested with feedvalidator deactivated, which is the default behavior anyway."