Text: 1 conceived or made without regard for reason or reality<a fantastic scheme for getting rich quick>Synonymsabsurd, bizarre, crazy, fanciful, foolish, insane, nonsensical, preposterous, unreal, wildRelated Wordsinconceivable, incredible, unbelievable; extravagant, grotesque; eccentric, odd, peculiar, strange, weird; farcical, laughable, ludicrous, ridiculousAntonymsrealistic, reasonable 2 excitingly or mysteriously unusual<to European explorers, the Far East was a fantastic land filled with unimaginable riches>— see exotic 3 not real and existing only in the imagination<a science fiction writer who can conjure up fantastic worlds as make them seem as real as our own>— see imaginary 4 too extraordinary or improbable to believe<concocted some fantastic story to try to explain why they had returned home so late>— see incredible

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