wane
verb (used without object)
to decrease in strength, intensity, etc..
Used to describe an ongoing action or continuous state that will be taking place in the future.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
If there’s waning interest in the regular season, there will be waning interest in the postseason at some point.”
From New York Times ● Dec. 13, 2012