PsychologyAugust 16, 2026

fallacious

fuh-LAY-shus

Definition

Characterized by or based on an erroneous, deceptive, or unsound argument or belief.

Etymology

Derived from the Latin word 'fallax,' meaning 'deceptive' or 'false,' which traces back to the verb 'fallere,' meaning to deceive or trick.

In the news

The author uses this term to describe the speculative, non-naturalistic philosophical theories he believes lack rigorous foundation and should not be classified as true philosophy.

Philosophical Swallows vs. Moles

Read the full article ↗

Psychology Today

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