The meaning of FANTASTIC is based on fantasy : not real. How to use fantastic in a sentence. Synonym Discussion of Fantastic.

FANTASTIC definition: 1. extremely good: 2. strange and imaginary, or not reasonable: 3. very unusual, strange, or…. Learn more.

FANTASTIC definition: extraordinarily good; excellent. See examples of fantastic used in a sentence.

Definition of fantastic adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

If you say that something is fantastic, you are emphasizing that you think it is very good or that you like it a lot.

Fantastic describes what seems to have slight relation to the real world because of its strangeness or extravagance: fantastic imaginary beasts such as the unicorn.

Find 924 different ways to say FANTASTIC, along with antonyms, related words, and example sentences at Thesaurus.com.

Fantastic suggests a wild lack of restraint, a fancifulness so extreme as to lose touch with reality: a fantastic scheme for a series of space cities. In informal use, fantastic often means simply …

Dec 11, 2025 · fantastic (comparative more fantastic, superlative most fantastic) Wonderful; marvelous; excellent; extraordinarily good or great (used especially as an intensifier). synonyms

Fantastic refers to something extraordinarily good, impressive, or imaginative. It often describes something that seems almost unbelievable in its excellence, often associated with fantasy or wonder.