The term "deferred to" means to give respect or honor to someone else's opinion or decision. Antonyms for this phrase include disregarded, challenged, contradicted, rejected, or overruled. When someone challenges or contradicts another person's opinion, they are not deferring to them. When someone rejects or overrules another person's decision, they are not giving them the respect or honor that "deferred to" implies. Using these antonyms, we can see that "deferred to" is a term that indicates a certain level of deference or respect for someone else's authority or opinion. Conversely, the antonyms suggest a more confrontational or dismissive attitude towards that authority or opinion.