Definitions

1. verb

to make monotonous or dull; to remove variety or interest from

“The repetitive music began to monotonize the audience.”

2. verb

to make something have a monotonous quality, especially of sound

“The constant drone of the engine began to monotonize my ears.”

3. noun

the process of making something monotonous or dull

“The monotony of her job began to monotonize her life.”