Find Synonyms

fallacy Synonyms

Another word for fallacy

Choosing another word for fallacy depends on context, so the 13 synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
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• noun (Context 1)

A mistaken belief or misconception, especially one based on unsound arguments or faulty reasoning.

Usage Example

"The notion that money alone guarantees lasting happiness is a widespread misconception."

Strongest
misconception
Strong
delusion
illusion
myth
falsehood
error
misbelief

• noun (Context 2)

A failure in reasoning that renders a logical argument invalid, or the quality of being logically flawed.

Usage Example

"The professor pointed out the logical sophism in the student's debate opening."

Strongest
sophism
paralogism
Strong
sophistry
flaw
inconsistency
casuistry

Opposites of fallacy

The opposite of fallacy shifts depending on context. Common opposites include:

validity
truth
soundness
fact
logic
reality
cogency
verity
See all opposites of fallacy

• Nearby Words

fall creek
fall creek falls
fallacious
fallacy
fallaway
fallback
fallen

Cite this Entry

Wordmom. (2026). Synonyms for Fallacy. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/fallacy
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