Word of the day, Enigma Our word of the day from The Arbiter is Enigma Meaning of Enigma An enigma is something mysterious, puzzling, or difficult to understand. It can refer to a person, situation, or thing that is hard to explain or figure out. Synonyms - Riddle - Conundrum - Paradox READ ALSO: Word of the day, Pugilism Pronunciation ih-NIG-muh Example General Buhari, an enigma, by Hassan Gimba Share with us a sentence with the word enigma. Let's see how well you understand it.