The antonyms for the word "more admiring" are rather straightforward. The word "admiring" means to view someone or something with respect or approval. Therefore, the antonyms of this word would be the opposite of respect or approval. Less admiring, unimpressed, disapproving, derogatory, condemnatory, and critical are some possible antonyms for "more admiring." Nevertheless, it is essential to remember that these antonyms do not always imply negativity. Sometimes, it is essential to express disapproval or criticism to promote growth and development. Consequently, while "less admiring" may be an antonym of "more admiring", it does not necessarily mean it is inherently bad.