miscalculate

Verb

miscalculate (third-person singular simple present miscalculates, present participle miscalculating, simple past and past participle miscalculated)

1. (intransitive, transitive) To calculate incorrectly.
   • They miscalculated by assuming the dimensions were in imperial, not metric.
2. (intransitive, transitive) To make a gross error in judgment.
   • Hitler and the Japanese generals miscalculated badly, 10 years ago, when they thought we would not be able to use our economic power effectively for the defeat of aggression. Let would-be aggressors make no such mistake today.1950 September 1, Harry S. Truman, 2:37 from the start, in MP72-73 Korea and World Peace: President Truman Reports to the People, Harry S. Truman Presidential Library and Museum, National Archives...
   • In the end, one could say with minimal originality, but considerable accuracy, that Bill Simmons simply flew too close to the sun. He miscalculated how much value ESPN put on him and on his unique abilities and talents.2015 May 9, James Andrew Miller, “Inside the Shocking, Abrupt Divorce of Bill Simmons and ESPN”, in Vanity Fair, archived from the original on 19 Feb 2016