Simple past tense and past participle of overestimate.(verb)
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Use "overestimated" in a sentence
"I agree that they Blanco and Nagin overestimated federal preparedness in this NATIONAL disaster."
"China's financial prowess has been "overestimated" he said, trying to downplay ideas that China can be the savior of the global financial system with its $1.9 trillion in foreign reserves."
"So is it possible that journalists kind of overestimated the impact of this trip because it was so visual?"