There are various synonyms for the phrase "object to." Some of these include disagree with, oppose, resist, dispute, challenge, protest, denounce, condemn, criticize, and reject. All of these terms indicate an unwillingness to accept or approve of something. Depending on the context, the specific synonym that is used can convey different shades of meaning. For example, objecting to something might simply indicate a difference of opinion, whereas denouncing something suggests a stronger sense of moral indignation or condemnation. By understanding the nuances of these different synonyms, speakers and writers can effectively communicate their feelings and ideas with greater clarity and precision.