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waning

[ wey-ning ]
/ weɪ nɪŋ /
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adjective

decreasing in strength, intensity, etc.: Many teens in focus groups expressed waning enthusiasm for social media.
declining in power, importance, prosperity, etc.: The recent hacking of the retailer’s credit card system will have devastating implications for its already waning business.
drawing to a close; approaching an end: The bill will likely be passed in the waning days of this legislative session.
(of the moon) decreasing in the extent of its illuminated portion after the full moon: The crescent of fine white sand, wrapped around the bay, looked like a waning moon.

noun

the process of decreasing, declining, or coming to an end: The Middle Ages occurred between the waning of the Roman Empire and the beginning of the Renaissance.
(of the moon) the process of decreasing in the extent of its illuminated portion after the full moon: Onion seeds are planted in the fall, during the waning of the Harvest Moon.

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Origin of waning

wan(e) + -ing2 for the adjective senses; wan(e) + -ing1 for the noun senses

OTHER WORDS FROM waning

un·wan·ing, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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