Any of the 12 principal gods of the Greek pantheon; Zeus, Hera, Poseidon, Ares, Hermes, Hephaestus, Aphrodite, Athena, Apollo, Artemis, Demeter, and Hades
{s} suitable or typical of the Greek gods in action or attitude, celestial, superior, arrogant; from or pertaining to the area around Mount Olympus; of or pertaining to the ancient Greek city Olympia
An Olympian is a competitor in the Olympic Games. The importance of being an Olympian will vary from athlete to athlete. someone who is taking part in, or who has taken part in, the Olympic Games - used especially in news reports
Olympian means very powerful, large, or impressive. Getting his book into print has been an Olympian task in itself