* Noun: This is the most common use. It refers to a flawed or incorrect argument.
* Example: "The argument that all politicians are corrupt is a fallacy."
* Adjective: Describing something as flawed or deceptive.
* Example: "The survey results were based on a fallacy assumption."
* Verb: To deceive or mislead.
* Example: "The politician attempted to fallacy the public with their claims."
It's important to note that the verb usage is less common than the noun and adjective forms.