Also found in: Thesaurus, Idioms, Wikipedia.Related to spiel: spiegelspiel(spēl, shpēl)Informaln.Instantly play free online games, including solitaire, mahjong, hidden object, word, casino, card and puzzle games. Play on your computer, tablet or phone. Spiel definition, a usually high-flown talk or speech, especially for the purpose of luring people to a movie, a sale, etc.; pitch. CrazyGames - ..