A paradox is a statement or situation that seems contradictory or absurd, but may actually be true or have some truth to it.
Paradox cheat sheet for homework
The use of words or situations that are the opposite of what is expected, often for humorous or dramatic effect.
Oxymoron: A figure of speech that combines two contradictory terms for emphasis or effect.
When something has more than one possible interpretation, leading to uncertainty or confusion.