As a adjective inaccurate
is mistaken or incorrect; not accurate.
As a noun inaccuracy is
(uncountable) the property of being inaccurate; lack of accuracy.
Mistaken or incorrect; not accurate.
(uncountable) The property of being inaccurate; lack of accuracy.
(countable) A statement, passage etc. that is inaccurate or false.
(uncountable) Incorrect calibration of a measuring device, or incorrect use; lack of precision.
* (property) imprecision, incorrectness, inexactness
* (inaccurate/false statement etc.) error, mistake, fault