To assert that something is not true or does not exist, rejecting any claims or doubts raised about it.

To negate or counteract the presence or validity of an idea, rumor, or emotion, emphasizing its non-existence.

To clarify a misunderstanding by directly refuting the information or belief in question, thereby eliminating any ambiguity.

To diminish the impact of something by declaring it untrue, often in response to concerns or suspicions expressed by others.