Antonyms of "more assenting" would refer to those words that describe a negative or opposing sentiment. Some examples of antonyms for "more assenting" are dissenting, contradicting, disagreeing, challenging, denying, opposing, refuting, and rejecting. The use of antonyms is essential in both written and verbal communication as they help provide clarity and precision of meaning. Opposite words serve to emphasize differences and to highlight opposing viewpoints, facilitating a more thorough understanding of the message being conveyed. Therefore, understanding antonyms is vital to effective communication and essential in all aspects of language learning.