monotonously

adv

1. In a manner that is tedious, repetitious or lacking in variety.

   “She worked monotonously at the assembly line.”

   “Time passed as time ever does when passed monotonously, that is, with a degree of rapidity which only astonishes us when it is recalled to mind by some chance circumstance.”

   “The face of the dying man in the lingchi video monotonously evokes Maria Falconetti in Carl Theodor Dreyer ’s 1928 “Passion of Joan of Arc.””

2. In a droning manner, that does not change pitch.

   “The minister spoke monotonously and his congregation began to doze.”