Nonevent and Pest

Nonevent noun - An anticipated event that turns out to be far less significant than was expected.

Pest and nonevent are semantically related. In some cases you can use "Pest" instead a noun "Nonevent".

Pest noun - A widespread disease resulting in a high rate of death.

Nonevent and pest are semantically related. Sometimes you can use "Nonevent" instead a noun "Pest".