Part of speech: Noun
(logic) a statement that contradicts itself
Example: `I always lie' is a paradox because if it is true it must be false
Categories: Contradiction, Contradiction in terms
The word "paradox" was borrowed from Ancient Greek παράδοξος, which was borrowed from Latin paradoxum, which was borrowed from Middle French paradoxe.
Each language in this chain added phonetic changes that transformed the original sound.