English to English
1. Embodying or pertaining to a fallacy; illogical; fitted to deceive; misleading; delusive; as, fallacious arguments or reasoning.
2. containing or based on a fallacy
fallacious reasoning|an unsound argument
3. intended to deceive
deceitful advertising|fallacious testimony|smooth, shining, and deceitful as thin ice|a fraudulent scheme to escape paying taxes
4. based on an incorrect or misleading notion or information