Simple past tense and past participle of disbelieve.(verb)
Not believed; discounted; discredited; ignored.(adjective)
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Use "disbelieved" in a sentence
"To have his word disbelieved was the one thing fatal to Gammon's temper."
"On the government side, the widely disbelieved big society and a relish in cost-cutting that would once have pleased an Aberdeen grocer; from the opposition, a blank sheet of paper."
"Rape victims want and need to have their truth recognised and to see their attackers branded guilty; far better to achieve that at the expense of longer jail terms than watch so many rapists wriggling free with victims feeling disbelieved and twice damaged."