Definition of Waning

fading or decreasing

Examples of Waning in a sentence

Having been awake for the last eighteen hours, my energy was rapidly waning, and I was sure to fall asleep very soon.  🔊

The waning motivation of a college student often strikes around their later years, when they are no longer idealistic or naïve.  🔊

I was eager to help my boss with his task, but after receiving little thanks for my efforts, I found that eagerness quickly waning.  🔊

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