GRE TOEFL IELTS fantastic Definition Extraordinarily good; also, wildly imaginative or unreal. Example "They had a fantastic vacation in the Maldives." Sign in to save GRE Quiz → TOEFL Quiz → IELTS Quiz → ← fang fantasy → Study tips featuring "fantastic" Study the Exact Words Examiners Use Group Words Together by Emotional Tone Map Each Word Into a Connected Network Related words GRE awe GRE smithereens GRE abacus SAT abase GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate SAT abdomen GRE abduct GRE aberrant