The phrase "puts in two cents" is usually used to express one's opinion about a topic. However, there are various antonyms for this phrase that indicate a lack of opinion or neutrality towards the matter at hand. For example, "doesn't have an opinion," "keeps silent," "keeps mum," "refrains from comment," "stays out of it," and "stays neutral." These antonyms effectively communicate the opposite meaning of "puts in two cents" and signify a person's decision to neither agree nor disagree with a particular viewpoint. Therefore, these antonyms provide an array of alternatives for individuals who want to express neutrality in a given situation.