A "rough day" refers to a day that is filled with challenges, stress, or negative experiences. This can include difficulties at work, conflicts with friends or family, or unexpected problems that arise. People often feel overwhelmed or frustrated during such days, which can affect their mood and overall well-being. Common signs of a rough day include feeling tired, irritable, or unmotivated. Individuals may seek comfort in activities like exercise, reading, or spending time with friends to help cope with their feelings. Recognizing a rough day can be the first step toward finding ways to improve one's mood and outlook.