aftermarket

noun

af·​ter·​mar·​ket ˈaf-tər-ˌmär-kət 

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

Although less integrated with the vehicle’s systems, aftermarket telematics and diagnostic-port (OBD) solutions offer limited cloud connectivity to fill the gap left by OE services when they’re phased out. — Michael Harley, ArsTechnica, 21 July 2026

My experience is that sometimes aftermarket filters don’t fit that well. — John Paul Senior Manager Public Affairs and Traffic Safety Aaa Northeast, Hartford Courant, 18 July 2026

Highline Warren manufactures and distributes aftermarket products for automotive maintenance. — Carson Bonner, AJC.com, 16 July 2026

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

Word History

Etymology

after- + market entry 1

First Known Use

1887, in the meaning defined at sense 3

Rhymes for aftermarket

• patriarchate
• supermarket
• market
• nonmarket
• premarket
• upmarket