Carefreeness is a state of being worry-free and without any concerns. However, there are several antonyms which could mean the opposite of carefreeness. The first antonym is anxiety, which is a feeling of worry, nervousness, or unease. Anxiety could be caused by several factors such as impending danger, uncertainty or pressure. Another antonym of carefreeness could be distress. Distress is a state of emotional or physical pain, discomfort, or suffering. It could also be caused by uncertainty, pressure, or unfavorable circumstances. Stress, worry, concern, and tension are also antonyms of carefreeness. These antonyms emphasize the need for individuals to mitigate their worries and concerns to maintain a carefree mindset.