Collocations for inaccurate - adj.

be, prove | become

extremely, grossly, hopelessly, seriously, terribly, very, wildly
a wildly inaccurate account of events

quite, totally, wholly | a bit, rather, slightly, somewhat
These figures are somewhat inaccurate.

notoriously
Maps of the region are notoriously inaccurate.

historically
It was good drama, but historically inaccurate.