Simple past tense and past participle of retool.(verb)
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Use "retooled" in a sentence
"Black Static no. 1 aka the retooled and darker version of The Third Alternative, which has been long in the making."
"On Friday, some GOP lawmakers called the retooled plan too tepid; Rep. Mike Pence of Indiana described it as "a tax credit which was last promoted by President Jimmy Carter.""
"Today, some GOP lawmakers called the retooled plan too tepid."