Source : Webster's Revised Unabridged Dictionary (1913)

Inaccurate \In*ac"cu*rate\, a.
   Not accurate; not according to truth; inexact; incorrect;
   erroneous; as, in inaccurate man, narration, copy, judgment,
   calculation, etc.

         The expression is plainly inaccurate.    --Bp. Hurd.

   Syn: Inexact; incorrect; erroneous; faulty; imperfect;
        incomplete; defective.

Source : WordNet®

inaccurate
     adj 1: not accurate; "an inaccurate translation"; "the thermometer
            is inaccurate" [ant: {accurate}]
     2: not precisely accurate; "an inexact quotation" [syn: {inexact}]
     3: containing or characterized by error; "erroneous
        conclusions"; "the answer was inaccurate" [syn: {erroneous}]