fantastic

Synonyms: absurd artificial capricious chimerical comical crazy eccentric erratic exotic extravagant extreme fanciful far-fetched fictional foolish foreign freakish grotesque hallucinatory illusive imaginative implausible incredible insane irrational ludicrous mad misleading nonsensical odd outlandish out of sight peculiar phantasmagorical preposterous quaint queer ridiculous singular suppositious unbelievable unlikely unreal wacky weird whimsical

Antonyms: common commonplace conventional customary familiar ordinary plain usual

Synonyms: cracking extreme great huge humongous massive monstrous monumental overwhelming prodigious severe stupendous towering tremendous

Antonyms: little small tiny

Synonyms: a-1 awesome best best ever cat’s meow delicious far out first-class first-rate great like wow marvelous out of sight out of this world primo sensational superb unreal

Antonyms: bad poor unpleasant