Antonyms for the term "most panegyrical" are words that present opposite meanings to this phrase. Antonyms include critical, disparaging, negative, unfavorable, pessimistic, ironic, and sardonic. These words indicate a different tone and attitude towards the subject or topic, as opposed to praise and admiration. While "most panegyrical" might describe something as being exceedingly positive and praiseworthy, its antonyms describe a contrasting view of the same thing, indicating criticism, disapproval, or irony. Understanding antonyms can help readers gain a nuanced understanding of a text or message, as they offer a counterpoint to the original statement.