Definition of "firewalled" [firewalled]

• Simple past tense and past participle of firewall. (verb)

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• "2-The state transpo department budget is firewalled from the state general budget."
• "Once his momentum from NH was "firewalled" in SC, he didn't have the money in the other states to get out the vote."
• "The Right has to recognize that the forces of the market cannot be "firewalled" off from cultural change."