5 adjectives to describe treadmill

Those envied mortals who compose society, pausing for a brief moment of air and relaxation in the holidays, plunged again into the arduous treadmill of the daily round, urged by the flying lash of unrest, creatures of a common fate, plodding wearily up the path of preferment, not daring to falter or to rest under the pain of instant oblivion.

And when she contemplated the daily treadmill before her, she shuddered.

This was not new, for there were a long series of years in which the principal business of six days of every week, was repentance for the very poor use made of the seventh, and from this dreary treadmill of sin and sorrow, no faith ever could or did free me.

Their brawny arms or hoary heads must bedeck nothing less than the metropolis itself, and perchance put shoulders to the wheel in the incessant grind of the urban treadmill.

The man on horseback, the automobile, some accident that might have befallen the girl in her distraught state of mindhe could find no place in the weary treadmill of conjecture to rest.

5 adjectives to describe  treadmill