The term "more pissed" refers to an increased level of anger or frustration. Antonyms for "more pissed" include calm, tranquil, peaceful, content, delighted, and happy. When someone is calm, they are not easily provoked or agitated. Tranquil or peaceful refers to a state of calmness and quietness. If a person is content, they are satisfied with what they have, and there is no reason to be upset. Being delighted and happy means feeling positive emotions, and there is no room for anger or frustration. Therefore, using these antonyms can convey the opposite emotion of being "more pissed.