monotony

Example:The variety of events planned for the weekend would counteract the monotony of his usual routine.

Definition:the quality or state of being different from one another, such as in content or form, often used in a sentence emphasizing the contrast with monotony

Example:The excitement of the new job was a welcome change from the monotony of his previous work.

Definition:the state of being emotionally energized, aroused, and made to feel enthusiastic, especially by something novel or unexpected

Example:The presentation was full of interesting facts, negating any sense of monotony.

Definition:a feeling or exercise of interest, eagerness, or active concern, often used in a sentence contrasting with a lack of interest or monotony