Inaccurate
Inaccurate , adjective
The term inaccurate is usually used when an assertion or result is near to the truth, but not exactly, or has some basis for belief; however, it is sometimes used as a gentle euphemism for wrong even if the error is flagrant.
Not accurate; not according to truth; inexact; not quite correct; incorrect; erroneous; as, in inaccurate man, narration, copy, judgment, calculation, etc.
The expression is plainly inaccurate.