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.

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

These adjectives apply to what is very strange or strikingly unusual. Fantastic describes what seems to have slight relation to the real world because of its strangeness or extravagance: fantastic imaginary …

Apr 15, 2026 · Adjective fantastic (comparative more fantastic, superlative most fantastic) Wonderful; marvelous; excellent; extraordinarily good or great (used especially as an intensifier).

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.

Fantastic definition: Wonderful or superb; remarkable.

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

The adjective fantastic has two meanings — extraordinarily brilliant or ludicrously far-fetched. So when your boss calls your suggestion of work-at-home-in-your-bathrobe-Fridays for the whole office …

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