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miscalculated; miscalculating
Definition of miscalculate
: to calculate wrongly : to make a miscalculation This fall, publishers badly miscalculated the public's appetite for celebrity tell-alls.— Patrick M. Reilly … the bosses simply weren't ready when it turned out they had miscalculated badly.— Kevin Drum
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Time Traveler for miscalculate
The first known use of miscalculate was in 1633
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