almost impossible to believe; incredible.

Informal . exceptionally good or unusual; marvelous; superb

a fabulous bargain; a fabulous new house.

told about in fables; purely imaginary

the fabulous exploits of Hercules.

known about only through myths or legends.

adjective

common , normal , ordinary , simple

adjective

10 , a-1 * , aces * , a-ok , astonishing , astounding , awesome , best , breathtaking , cool * , doozie , extravagant , fab , fantastic , fictitious , first-class , greatest , groovy * , immense , inconceivable , incredible , legendary , marvelous , mind-blowing * , out-of-sight , out-of-this-world , outrageous , peachy * , phenomenal , primo , prodigious , rad , remarkable , spectacular , striking , stupendous , super , superb , terrific , top drawer , tops , turn-on , unbelievable , unreal , wicked * , amazing , fantastical , miraculous , wonderful , wondrous , divine , glorious , sensational , splendid , mythic , mythologic , mythological , excessive , exorbitant , feigned , inordinate , mythical , unverified