The antonyms of "well-fixed" are numerous, and they vary depending on the context of the word. In general, antonyms for "well-fixed" are words that indicate an insufficient or precarious financial situation. Some common antonyms include words such as poor, broke, penniless, destitute, impoverished, and struggling. Additionally, antonyms can extend to aspects beyond financial stability, such as emotional or physical wellness. For example, antonyms for "well-fixed" in terms of physical wellness include ill, sickly, weak, and frail. Similarly, antonyms for "well-fixed" in terms of emotional wellness might include unhappy, depressed, anxious, and stressed.