Being uptight refers to a state of nervousness, tension or anxiety. Synonyms for being uptight include being wound up, anxious, nervous, stressed, tense, anxious, jittery, edgy, worried, and apprehensive. These synonyms describe a state of mind where a person is excessively worried or nervous, causing them to be tense and on edge. While some people might find this type of behavior annoying, it is important to note that being uptight is usually a result of external factors such as work pressure, financial stress, or personal problems. It is important to offer support and understanding to those who are feeling uptight, as a little kindness can go a long way towards relieving their stress.