Find Synonyms

fallacious Synonyms

Another word for fallacious

Choosing another word for fallacious depends on context, so the 16 synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
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• adjective (Context 1)

Based on a mistaken belief or unsound reasoning; logically flawed or invalid.

Usage Example

"The debater quickly pointed out that his opponent's conclusion rested on a erroneous assumption."

Strongest
erroneous
unsound
invalid
flawed
illogical
Strong
false
specious
mistaken
spurious
unfounded

• adjective (Context 2)

Tending to deceive or mislead; deceptive.

Usage Example

"Consumers were warned to avoid the company's misleading advertisements promising instant wealth."

Strongest
misleading
deceptive
Strong
delusive
deceitful
illusory
beguiling

Opposites of fallacious

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

sound
valid
truthful
honest
logical
true
correct
accurate
See all opposites of fallacious

• Nearby Words

fall
fall creek
fall creek falls
fallacious
fallacy
fallaway
fallback

Cite this Entry

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