Choking back is a term used to describe the act of restraining or holding back one's emotions or tears. The antonyms for this phrase would be expressing, releasing, or voicing one's emotions. Some synonyms for these antonyms would include pouring out, venting, or articulating one's feelings. When someone is not holding back their emotions, they are able to express themselves freely without any inhibitions. It is important to note that while it may be appropriate to choke back tears in certain situations, it is also healthy to express one's emotions and process them in a positive way.