Is Antithetical a Real Word?

Something is antithetical when it is in complete and utter opposition to the character of something. If you're a vegetarian, eating giant T-bone steaks is antithetical to your beliefs. You'll find that antithetical is a useful word when you're trying to express an extreme contrast.

Is it antithetical or antithetic?

As adjectives the difference between antithetical and antithetic. is that antithetical is pertaining to antithesis, or opposition of words and sentiments; containing, or of the nature of, antithesis; contrasted while antithetic is diametrically opposed.

What is another word for antithetical?

Some common synonyms of antithetical are contradictory, contrary, and opposite. While all these words mean "being so far apart as to be or seem irreconcilable," antithetical stresses clear and unequivocal diametrical opposition.