monotonous
US /məˈnɑː.t̬ən.əs/
UK /məˈnɑː.t̬ən.əs/
1.
dull, tedious, and repetitious; lacking in variety and interest
:
•
The speaker's voice was so monotonous that I almost fell asleep.
•
Working on an assembly line can be very monotonous.
dull, tedious, and repetitious; lacking in variety and interest