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

Investigators also shared photos of three unidentified men who are believed to be at the club at the time of the shooting, as well as the vehicle they are believed to have been driving, described as a beige Chevrolet Tahoe or Suburban with black rims and aftermarket exhaust. — Dan Raby, CBS News, 18 June 2026

When in doubt, compare the part number of the aftermarket rotor to your OEM rotor’s part number. — Bestreviews, Mercury News, 18 June 2026

Jeff said Honeywell's aerospace unit could benefit from lower fuel costs and reduced concerns about flight disruptions, which would support airline activity and demand for Honeywell's high-margin aftermarket services. — Alexa Lomonaco, CNBC, 15 June 2026

And so the aftermarket can can do these things. — Joel Feder, The Drive, 10 June 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