Fallacious

usgb/fəˈleɪʃəs/
adjective

Something false or not true.

His argument was fallacious and did not make sense.
Visual representation of "fallacious" - Something false or not true.

Often appears as...

  • fallacious argument
  • fallacious reasoning

Usage tips

Formal, Disapproving

Academic

Definition 1 of 1
Visual representation of "fallacious"
LampPro Tip 1/3

Critical Thinking

Use 'fallacious' to question the validity of an argument or information.

Illustration for Critical Thinking
The politician's promises were fallacious; they contradicted known facts.
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Not Always Intentional

'Fallacious' doesn't always imply someone is deliberately deceiving; it can be an honest mistake.

Illustration for Not Always Intentional
The scientist acknowledged that his fallacious conclusion was due to an error in his calculations.
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Academic Context

'Fallacious' is often used in educational settings to critique logic or evidence.

Illustration for Academic Context
Your thesis has a strong foundation, but this point here is based on fallacious assumptions.
Visual representation of the word "Fallacious"

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