not exact or accurate; with mistakes an inaccurate statement inaccurate information All the maps we had were wildly inaccurate. Statistical graphs may be inaccurate and misleading. opposite accurateExtra examples Maps of the region are notoriously inaccurate. The polls he cites are simply inaccurate. These figures are somewhat inaccurate. a wildly inaccurate account of events The movie is historically inaccurate, but well worth seeing. The report was badly researched and quite inaccurate. We can’t base a forecast on inaccurate information.