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.

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.

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 definition: Wonderful or superb; remarkable.