Noun
A frequent recurrence of the same tone or sound, producing a dull uniformity; absence of variety, as in speaking or singing.
Any irksome sameness, or want of variety.
Source: Webster's dictionaryhe had never grown accustomed to the monotony of his work Source: Internet
he was sick of the humdrum of his fellow prisoners Source: Internet
he hated the sameness of the food the college served Source: Internet
After months of solitary monotony, Celia Rose Gooding woke up on a recent Sunday morning and grabbed her denim jacket, plaid skirt and black boots. Source: Internet
An occasional ridge projects through the alluvial cover to interrupt the monotony of the landscape. Source: Internet
Be forewarned for the onslaught of groans and grumbles around the monotony of keeping accounts and the drudgery of economizing. Source: Internet