noun
fallacy
FAL-uh-see
noun
1
A mistaken belief, especially one based on flawed reasoning.
"It's a common fallacy that money alone brings happiness."
2
An argument that seems logical but is actually flawed or misleading.
"His argument relied on a classic fallacy: attacking the person instead of the point."
How to Use Fallacy
Learner’s notesIn plain EnglishA false idea or a piece of reasoning that looks convincing but doesn't actually hold up.
Common pairings
common fallacy
logical fallacy
fall for a fallacy
Word Forms
fallacies plural
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It's a common _____ that money alone brings happiness.
Etymology
From Latin fallacia ("deception"), from fallere ("to deceive").