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

Ford shares declined by 3% on the news, in aftermarket trading. —Diane Brady, Fortune, 31 July 2025

That’s because this only works through an interface between the cellular modem and the phone’s Android OS, and that’s not expected to be available as an aftermarket upgrade. —Zak Doffman, Forbes.com, 27 June 2025

For each of the units mentioned here, there are a dozen or more aftermarket competitors offering similar products. —Michael Venutolo-Mantovani, Wired News, 20 June 2025

This means the typing experience feels a bit stiff compared to gasket-mounting, but it can easily be customized with aftermarket cases. —Henri Robbins, Wired News, 17 July 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