When we talk about being "under stress," it can refer to feelings of pressure, anxiety, and strain. There are many words that can be used to express a similar sentiment, including "overwhelmed," "burdened," "frazzled," and "stressed out." Other options might include "strained," "tense," "worried," "panicked," or "nervous." Depending on the context, you might also use words like "fearful," "anxious," or "burdened." Whatever word you choose, it's important to recognize when you or someone you know is feeling stressed and to take steps to manage that stress in healthy ways. This might include exercise, relaxation techniques, or talking to a mental health professional.