De notations refer to the meanings or definitions of words. Antonyms for de notations could include ambiguousness, uncertainty, or confusion. If a phrase or word has conflicting de notations, it may be hard to understand or use in a sentence. Alternatively, words with precise de notations are easier to understand and can be used more effectively. In some cases, antonyms for de notations may also include homonyms or synonyms, which can further add to the level of confusion or misinterpretation. The ability to properly convey and comprehend de notations is an essential skill for effective communication, both verbal and written.