mo·not·o·nous 
/məˈnɑ:tnəs/ adjective
/məˈnɑ:tnəs/ adjective [more monotonous; most monotonous] — used to describe something that is boring because it is always the same ▪ a monotonous task ▪ Students complained that the meals were monotonous. ▪ She spoke in a monotonous voice.
— mo·not·o·nous·ly adverb
▪ The teacher droned on monotonously.
▪ The teacher droned on monotonously.
