The meaning of fantastic is based on fantasy Meanings, etymology, pronunciation and more in the oxford english dictionary How to use fantastic in a sentence
Strange and imaginary, or not reasonable It often describes something that seems almost unbelievable in its excellence, often associated with fantasy or wonder. 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. 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 beasts such as the unicorn. Fantastic refers to something extraordinarily good, impressive, or imaginative