Fallacious: meaning, definitions and examples

Use this word when referring to something based on a mistaken belief, typically in more formal and philosophical discussions.

• The argument was fallacious, leading many to the wrong conclusion.

Use this word to describe something that is not true or incorrect. It is a straightforward term that can be used in many contexts.

• The news report turned out to be false.

Best used in situations where a minor error or mistake is being pointed out, often in more casual or educational contexts.

• His answer to the math problem was incorrect.

Use this term when discussing something that is not valid or legally acceptable, often used in formal or technical contexts.

• The contract was deemed invalid because it was signed under duress.

This word is best used when something is intentionally misleading or giving a false impression. It can have a negative connotation.

• His appearance was deceptive; he seemed kind, but he had malicious intentions.

Use this word in formal or academic contexts to describe arguments or reasoning that are logically unsound or based on incorrect information.

• The scientist debunked the fallacious theory with new evidence.
• Many fallacious arguments rely on emotional appeal rather than facts.

Use this term when referring to information, statements, or appearances that lead someone to believe something that isn't true.

• The misleading label on the box doesn't reflect the actual contents.
• The politician's speech was filled with misleading statistics.

Employ this word when talking about actions, appearances, or statements that intentionally create a false impression.

• The advertisement was deemed deceptive because it exaggerated the product's effectiveness.
• Appearances can be deceptive; he may not be as trustworthy as he seems.

Use this term to describe things that seem real but are actually not, often related to dreams, hopes, or expectations.

• The sense of security provided by the locked door was illusory.
• His illusory grandeur was shattered when the truth came out.

This word is best used in formal writing to describe things that are fake or not genuine, often information or claims.

• The scientist dismissed the spurious claims as unsubstantiated rumors.
• She warned us about the spurious documents circulating online.