plural aftermarkets
1
: the market for parts and accessories used in the repair or enhancement of a product (such as an automobile)
2
: a secondary market (see market entry 1 sense 4c(1)) available after sales in the original market are finished
a movie in the DVD aftermarket
3
: the market for a stock following its initial public offering when its shares can be freely traded among investors

Examples of aftermarket 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.
That's particularly important because aerospace suppliers generate a significant portion of their profits from aftermarket services and maintenance — business that tends to slow when airlines fly fewer miles. Alexa Lomonaco, CNBC, 11 July 2026 That’s when the true cat-and-mouse game between OEM security and the aftermarket began. Peter Nelson, ArsTechnica, 10 July 2026 The aftermarket items are pressed onto the plate in the appropriate configuration. Bay Area News Group, Mercury News, 9 July 2026 The memo also addressed aftermarket auto parts and would supersede the ability of the California Air Resources Board to evaluate parts that affect vehicle emissions. Michelle L. Price, Los Angeles Times, 4 July 2026 See All Example Sentences for aftermarket

Word History

Etymology

after- + market entry 1

First Known Use

1887, in the meaning defined at sense 3

Time Traveler
The first known use of aftermarket was in 1887

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Cite this Entry

“Aftermarket.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aftermarket. Accessed 15 Jul. 2026.

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