noun, plural in·ac·cu·ra·cies for 1.
- something inaccurate; error.
- the quality or state of being inaccurate.
noun plural -cies
- lack of accuracy; imprecision
- an error, a mistake, or a slip
1701, “quality or condition of being inaccurate,” from inaccurate + -cy. As an example of this, by 1883.