The term 'unmethodical' is used to describe a lack of organization or structure. It can be broken down into three words: UNSYSTEMATIC (12 letters), UNPLANNED (9 letters), and DESULTORY (9 letters). UNSYSTEMATIC means not following a system or pattern, UNPLANNED means not having been planned in advance, and DESULTORY means lacking a plan or purpose. Together, these words describe a situation that is chaotic, disorganized, and without any clear direction.