discredit

As a verb, this word carries a strong sense of intentionality, often implying a strategic effort to undermine a person's reputation or the validity of an argument. It is frequently used in legal, political, or academic contexts where the goal is to invalidate evidence or a witness's testimony.

As a noun, the word describes a state of loss of reputation. It is typically used in phrases like "bring discredit upon" or "fall into discredit." In this form, it is an uncountable noun, referring to an abstract condition of dishonor rather than a countable event.