premarket

adjective

pre·​mar·​ket (ˌ)prē-ˈmär-kət 

variants or pre-market

1

: occurring in the period prior to a product being available for purchase

premarket safety testing

a premarket clinical study of a drug

Dietary supplements are essentially exempt from premarket approval and testing because, unlike many drugs, they do not claim to be effective, pure, and safe.

—Noel C. Paul

… fixed a premarket problem that led to lost pressure in the control.

—Bicycling

2

: occurring prior to the opening of a stock market

premarket trading

Examples of premarket in a Sentence

Recent Examples on the Web

Software stocks — As the AI trade names were among the winners in the S & P 500 in premarket trading Wednesday, software names were among some of the index's biggest losers. — Sarah Min,davis Giangiulio, CNBC, 12 Aug. 2026

The need-to-know this morning Celldex Therapeutics said its experimental drug barzolvolimab failed in a Phase 2 study in the skin condition prurigo nodularis, sending its shares down in premarket trading. — Daniel Payne, STAT, 22 July 2026

Word History

First Known Use

1923, in the meaning defined at sense 1

Rhymes for premarket

• nonmarket
• upmarket
• aftermarket
• patriarchate
• supermarket
• market