1) Anecdotal 2) Deceptive 3) Doubtful 4) Erroneous 5) Flimsy 6) Inaccurate 7) Intended to deceive 8) Invalid 9) Threadbare 10) Unsound 11) Untrue 12) Untrustworthy 1) Deceitful 2) Dishonest 3) False 4) Fraudulent 5) Incorrect 6) Invalid 7) Wrong 
• (a.) Embodying or pertaining to a fallacy; illogical; fitted to deceive; misleading; delusive; as, fallacious arguments or reasoning.
Fal·la'cious adjective [ Latin fallaciosus , from fallacia : confer French fallacieux . See Fallacy .] Embodying or pertaining to a fallacy; illogical; fitted to deceive; misleading; delusive; as, fallacious arguments or reasoning. -- Fal*la'cious*ly , 
based on error 
[adj] - containing or based on a fallacy 2. [adj] - based on an incorrect or misleading notion or information
fallacious 1. Containing fundamental errors in reasoning. 2. Misleading, deceptive.
fraudulent adjective intended to deceive; `deceitful advertising`; `fallacious testimony`; `smooth, shining, and deceitful as thin ice` - S.T.Coleridge; `a fraudulent scheme to escape paying taxes`unsound adjective containing or based on a fallacy; `fallacious reasoning`; `an unsound argument`
[PSAT glossary] containing or based on incorrect reasoning containing or based on incorrect reasoning