Monotonous
Part of speech: adjective
Definition: having an unvarying tone or pitch tedious, repetitious or lacking in variety
Example sentence: It gets kinda monotonous, but that's television. There are plus sides and down sides. The positive side is that you have steady work for nine months of the year for however many years your show is on TV,.
Monotonic
Part of speech: adjective
Definition: of or using the Greek system of diacritics which discards the breathings and employs a single accent to indicate stress.said of a function that either never decreases or never increases as its independent variable increases.