afterglow

noun

af·​ter·​glow ˈaf-tər-ˌglō How to pronounce afterglow (audio)
1
: a glow remaining where a light has disappeared
2
: a pleasant effect or feeling that lingers after something is done, experienced, or achieved
basking in the afterglow of success

Examples of afterglow in a Sentence

the afterglow of the sunset
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Either way, their afterglows can linger for hours or even months, providing researchers with time to collect as much data as possible. Andrew Paul, Popular Science, 30 July 2025 Though GRBs announce themselves with a brief phase, lasting seconds to minutes, this is followed by an afterglow that can take anywhere from hours to months to fade. Robert Lea, Space.com, 29 July 2025 In the afterglow of Denver’s dominant Week 7 win at New Orleans last fall, a tiny subplot hung in the air like a potential pollutant. Parker Gabriel, Denver Post, 28 July 2025 As midnight approached at the Aviva stadium, Lookman proudly posed for photos in the afterglow of his hat-trick in the final in Dublin, a display that secured the club its first trophy in nearly 60 years. James Horncastle, New York Times, 24 July 2025 See All Example Sentences for afterglow

Word History

Etymology

after- + glow entry 2

First Known Use

1832, in the meaning defined at sense 1

Time Traveler
The first known use of afterglow was in 1832

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Cite this Entry

“Afterglow.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/afterglow. Accessed 20 Aug. 2025.

Kids Definition

afterglow

noun
af·​ter·​glow -ˌglō How to pronounce afterglow (audio)
1
: a glow remaining (as in the sky after sunsets) where a light has disappeared
2
: a pleasant feeling that lingers after something is done, experienced, or achieved
the afterglow of success

More from Merriam-Webster on afterglow

Last Updated: - Updated example sentences
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