overvary
/ˌɒvəˈrɛri, ˌoʊvəˈrɛri/Definitions
1. verb
to vary or change excessively, often to the point of being tedious or tiresome
“The professor’s constant habit of overvarying his lectures made it difficult for the students to stay focused.”
2. noun
excessive variation or change
“The overvary of the plot made it hard to follow and became annoying to the audience.”