名词

1. 单调乏味;无变化;一成不变
The monotony of something is the fact that it never changes and is boring.

1. constancy of tone or pitch or inflection

2. the quality of wearisome constancy, routine, and lack of variety

e.g. he had never grown accustomed to the monotony of his work
he was sick of the humdrum of his fellow prisoners
he hated the sameness of the food the college served

Synonym: humdrumsameness