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 3d(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.
Some aftermarket companies have tried selling their own breakaway adapters for electric vehicles, including Tesla. — Andrew J. Hawkins, The Verge, 2 Oct. 2026 Furthermore, about a third of Applied Aerospace’s 2025 revenue came from systems used in aftermarket and sustainment programs. — Harvey Stober, CNBC, 2 Oct. 2026 The investigation found that the airbag had been purchased aftermarket via eBay by the dealership that sold him the car. — Jerry Perez, The Drive, 24 Sep. 2026 The original chassis rolled off Daimler's lines at the Wörth am Rhein plant before finding its way to aftermarket partners who built it up for global expedition use. — New Atlas, 10 Sep. 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 9 Oct. 2026.

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