1
: a hot, spicy, or burning sensation that remains in the mouth after consumption of a food or beverage
And at 13.5 percent alcohol, it leaves a noticeable afterburn on the palate. Howard G. Goldberg
2
: a period of lingering anger, fear, bitterness, etc., that follows a painful or traumatic event
… the afterburn of a hateful divorce. Gillian Flynn
3
: the consumption of calories by the body in the period following exercise
Is the afterburn real? Whether the metabolism speeds up for hours after exercise is an old question, and studies over the years have produced mixed results. News and Observer (Raleigh, North Carolina)

Examples of afterburn in a Sentence

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.
Hence, perhaps, its bewildering lack of afterburn. Anthony Lane, The New Yorker, 1 Oct. 2021 Research has shown that the afterburn effects are in fact negligible and not as beneficial as advertised, according to Otey. Jeff Tomko, Men's Health, 12 July 2022

Word History

Etymology

after- + burn entry 2

First Known Use

1963, in the meaning defined at sense 2

Time Traveler
The first known use of afterburn was in 1963

Browse Nearby Words

Cite this Entry

“Afterburn.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/afterburn. Accessed 10 Mar. 2025.

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