Being remiss means to neglect or fail in fulfilling a duty or responsibility. There are several synonyms for this phrase such as careless, negligent, derelict, forgetful, and lax. Other synonyms include irresponsible, heedless, inattentive, thoughtless, and unobservant. All of these words imply a lack of attention or effort in completing a task or responsibility. To avoid being remiss, it is important to stay focused and committed to completing tasks in a timely and efficient manner, while paying close attention to important details. By staying organized and responsible, individuals can avoid being remiss in their actions and achieve greater success in their personal and professional lives.