Some examples of Pop art, however, were subtly expressive of social criticism — for example, Oldenburg's drooping objects and Warhol's monotonous repetitions of the same banal image have an undeniably disturbing effect — and some, such as Segal's mysterious, lonely tableaux, are overtly expressionistic. (britannica.com)
In the real world there is no monotonous repetition, no grinding - out of an already predetermined routine, no re-shuffling of a pack of cards. (religion-online.org)
If you're looking to boost your cardio but are sick of the monotonous repetition of the treadmill, why not try a spin class? (womenshealthandfitness.com.au)