"Worry out" is a common phrase that refers to the act of fretting over something until it becomes exhausting or unbearable. Fortunately, there are many synonyms available for this phrase that can help you express the same sentiment in different ways. Some of the most common synonyms for "worry out" include "distress," "agonize," "torment," and "plague." These words convey the same sense of anxiety and unease as "worry out," while also adding a more emotional or dramatic slant. Other synonyms for "worry out" might focus more on the idea of wearing oneself down, such as "exhaust," "fatigue," or "deplete." Regardless of which synonym you choose, they can all help you describe the mental and physical toll that worrying can take on a person.