Synonyms of 'miscalculate'
1 misjudgeDictionary, get something wrong, underestimate
He has badly miscalculated the mood of the people.
2 calculate wrongly, blunder, make a mistake
The government seems to have miscalculated and bills are higher.
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If you blunder, you make a stupid or careless mistake.
No doubt I had blundered again.
The contractors seriously erred in their original estimates.
Thesaurus for miscalculate from the Collins English Thesaurus
If you miscalculate , you make a mistake in judging a situation or in making a calculation .