adj, noun ·3 syllables ·Rare ·Advanced level

Definitions

Noun

1. 1
   The informal market in stocks and other securities, held before the official markets open uncountable

   "Stocks are up in premarket trading this morning."

Adjective

1. 1
   Prior to a product's official market release not-comparable

   "premarket testing"

Synonyms

All synonyms

after hourstrading day

Example

More examples

"Stocks are up in premarket trading this morning."

Etymology

From pre- + market.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.