Part of speech:
Containing or based on error; mistaken; wrong
Characterized by, constituting, or gained by fraud:
Not legally or factually valid; null:
Lacking authenticity or validity in essence or origin; not genuine:
Deceiving or tending to deceive:
Tending to deceive; apt to lie or cheat
Tending to delude.
Not always holding to the same principles or practice; changeable
Based on error; wrong:
Of or characteristic of sophists or sophistry
Not capable of being occupied or lived in:
Deviating from a standard; not straight, even, level, or exact.
Not functioning properly; amiss:
Contradicting or disregarding the principles of logic.
Of, relating to, or characteristic of sophists.
Not dependably strong or solid.
Not accurate; not correct; not exact; in error
Gone away; on the way
Find another word for fallacious. In this page you can discover 35 synonyms, antonyms, idiomatic expressions, and related words for fallacious, like: erroneous, fraudulent, false, invalid, specious, spurious, deceptive, misleading, beguiling, deceitful and delusive.