Entry 3 senses · 2 variants Webster, 1913 overcount · o·ver·count · IPA v. t. n. 01 v. t. To rate too high. 1. To rate too high. 2. To count erroneously, such that the counted number is higher than the actual number. 02 n. A count{1} that is higher than the true number; an erroneously high number determined by counting incorrectly; the result of overcounting{2}. 1. A count{1} that is higher than the true number; an erroneously high number determined by counting incorrectly; the result of overcounting{2}.