- ( uncountable ) The property of being inaccurate; lack of accuracy .
- ( countable ) A statement, passage etc. that is inaccurate or false.
- 1922, Herbert Earl Wilson, The Lore and the Lure of the Yosemite Indians:
- ( uncountable ) Incorrect calibration of a measuring device, or incorrect use; lack of precision .
in- 'un-, not' + accuracy ( from Latin accuratus, from the past particople of accurare "to take care of", itself from ad- "to" + curare "take care of" ( from cura "care, concern, trouble", from a Proto-Indo-European base *kois- "to be concerned" ) )
Explanation of inaccuracy by Wordnet Dictionary