The phrase "most refusing" can be interpreted in different ways. It could refer to someone who is unwilling to comply with requests, or it could mean an item or action that is least likely to be declined or rejected. In either sense, antonyms for "most refusing" would depend on the context. Antonyms for someone who is resistant to requests could be cooperative, obliging, compliant, or accommodating. Alternatively, antonyms for something that is difficult to refuse could be appealing, attractive, desirable, or irresistible. It's important to note that the appropriate antonym would depend on the specific context and intended meaning of the phrase.