There are numerous synonyms for the term "in tense." These words describe various degrees of stress, anxiety, and nervousness. Some of the commonly used synonyms for "in tense" include uptight, on edge, anxious, apprehensive, uneasy, wired, nervous, and edgy. These words are used to describe someone who is experiencing heightened emotions due to a particular situation or circumstance. Some other useful synonyms for "in tense" include nervous wreck, jumpy, uneasy, keyed up, and agitated. Regardless of the word used, the individual experiencing these emotions may be feeling overwhelmed, stressed, or anxious, and it is essential to recognize and address their concerns.