The term ambagious refers to the use of vague or indirect language, making it challenging to express its antonyms without ambiguity. However, some of the possible antonyms for ambagious could be explicit, straightforward, lucid, clear-cut, and unambiguous. When one communicates without any meaningless words or expressions, they use explicit language. On the other hand, being straightforward means being direct and honest with one's thoughts or intentions. Similarly, lucid language is characterized by clarity and brevity. Clear-cut and unambiguous mean definite and straightforward. We may use these words to describe someone who isn't ambagious in their communication, who conveys their message transparently and honestly.