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

Update car infotainment systems: Many aftermarket head units allow software updates. —Kurt Knutsson, FOXNews.com, 22 Sep. 2025

Drivers can install aftermarket push-button start kits on their vehicles or get the systems professionally installed. —Charles Singh, USA Today, 18 Sep. 2025

Vehicle interior air quality (VIAQ), which refers to the quality of air inside a vehicle cabin, influenced by both internal and external pollutants, is increasingly gaining attention in both original equipment manufacturer (OEM) and aftermarket automotive industries. —Anan Bishara, Forbes.com, 17 Sep. 2025

The Specialty Equipment Marketing Association (SEMA) has teamed up with the Fédération Internationale de l'Automobile (FIA) to advocate for future technology standards that are inclusive of aftermarket equipment and modifications. —Eileen Falkenberg-Hull, MSNBC Newsweek, 16 Sep. 2025

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