The antonyms for the word "most eulogistic" are words that denote criticism, disapproval, or unfavorable reviews. These words include derogatory, critical, deprecating, defaming, condemnatory, disparaging, reproachful, unflattering, and negative. These antonyms are often used to provide a counterpoint to the laudatory or highly complimentary language that characterizes the eulogistic tone. In many cases, using antonyms can help provide a more balanced perspective on an individual or subject. By considering both the positive and negative attributes of a person or thing, one can develop a fuller, more nuanced understanding of its value and significance.