INCREDIBLE

adj. 1 unbelievable, beyond belief, inconceivable, unimaginable, unthinkable, improbable, implausible, far-fetched, absurd, preposterous, ridiculous, unlikely, impossible, unrealistic, unreal, fictitious, mythic(al) Incredible as it may appear, continents move a few inches a year 2 extraordinary, astounding, astonishing, amazing, wonderful, awe-inspiring, awesome, tremendous, marvellous, prodigious, Colloq far-out, US humongous The incredible amounts spent on arms could be better spent on medical research