Tee'd off is an idiom which refers to a state of anger or frustration. It's often used when someone is annoyed, irritated, or upset about something. There are many different synonyms for tee'd off, some of them more intense than others. Words like livid, fuming, and irate convey a strong sense of anger, while words like annoyed, peeved, and upset express a milder form of frustration. Other synonyms include irritated, vexed, agitated, exasperated, and incensed. All of these words are used to describe a negative emotional state which can be caused by a variety of factors. When used appropriately, synonyms for tee'd off can help to accurately convey the intensity of one's emotions.