I think On SAT exam , irony and sarcastic have different meaning.
Most Helpful Guy
noun, plural ironies. 1. the use of words to convey a meaning that is the opposite of its literal meaning: the irony of her reply, “How nice!” when I said I had to work all weekend.
That statement in itself is a paradox, because it is self contradictory, which is precisely what a paradox is. At the most basic level, a paradox is a statement that is self contradictory because it often contains two statements that are both true, but in general, cannot both be true at the same time.
adjective. The definition of sarcastic is someone or something that is a sneering remark. An example of sarcastic is a person saying that a song is their favorite, when in reality they dislike it immensely and have worked vigorously to get it removed from the program.0