adj Foreign, especially in an exciting way.
adj Non-native to the ecosystem.
adj extraterrestial, alien
adj (finance) Being or relating to an option with features that make it more complex than commonly traded options.
adj (gambling) Being or relating to various wagers, such as the trifecta, that involve betting on the finishing positions of multiple competitors across one or more races.
n (biology) An organism that is exotic to an environment.
n An exotic dancer; a stripteaser.
n (physics) Any exotic particle.