"not exact or correct," 1690s, from in- (1) "not" + accurate. Unaccurate is attested from 1670s. Related: Inaccurately (1660s).
the thermometer is inaccurate
an inaccurate translation
-ina
inability
inable
inaccessible
inaccuracy
inaccurate
inaction
inactive
inactivity
inadequacy
inadequate
)window.location='https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=byronic106@yahoo.com&lc=US&item_name=Donation+to +Help+Keep+Etymonline+Free+and+Open&no_note=0&cn=&curency_code=USD&bn=PP-DonationsBF:btn_donateCC_LG.gif:NonHosted'){kind=link}