Miscalculate/ˌmɪsˈkælkjuleɪt/ Definition 1 of 1Pro Tip 1/3Result Implications Emphasizes an error with consequences impacting plans, expectations, or outcomes. He miscalculated his budget and now can't afford the trip. Pro Tip 2/3Unintentional Error Shows the mistake was not deliberate, often realizing it after the fact. I miscalculated the number of guests, so there was less food than needed. Pro Tip 3/3Figurative Usage May be used metaphorically to refer to misunderstandings in human interactions. She miscalculated his intentions and thought he was interested in her.