nounWord forms: plural -sies1. a. imagination unrestricted by reality
b. (as modifier)
a fantasy world
2. a creation of the imagination, esp a weird or bizarre one
3. psychologya. a series of pleasing mental images, usually serving to fulfil a need not gratified in reality
b. the activity of forming such images
4. a whimsical or far-fetched notion
5. an illusion, hallucination, or phantom
6. a highly elaborate imaginative design or creation
7. music another word for fantasia, fancy (sense 13), (rarely) development (sense 5)
8. a. literature having a large fantasy content
b. a prose or dramatic composition of this type
9. (modifier) of or relating to a competition, often in a newspaper, in which a participant selects players for an imaginary ideal team, and points are awarded according to the actual performances of the chosen players
fantasy football
verbWord forms: -sies, -sying or -sied10. a less common word for fantasize