A contradiction is when two things don't match or are opposite each other. This can happen with facts, opinions, or even situations.
When people use the word "contradict", it usually means that they're saying something different from what's already been said. For example, if someone claims that a new policy will save money, but another person shows evidence that it will actually cost more, then their statements contradict each other. This can happen in discussions, debates, or even in writing. Sometimes people might intentionally try to contradict others' views by presenting opposing facts or opinions.
To deny the truth of (a statement or statements).
Example: His testimony contradicts hers.
