Boring routine can be described as a repetitive and tedious job that is done on a regular basis. The term can be broken down into two words, 'RUT' (3 letters) and 'THESAMEOLDGRIND' (15 letters). RUT is defined as a habit or pattern of behavior that has become dull and unproductive, while THESAMEOLDGRIND is an expression used to describe a tedious and monotonous task. Together, these two words accurately describe the feeling of being stuck in a boring routine.