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
Noel C. Paul… fixed a premarket problem that led to lost pressure in the control.—Bicycling
Bicycling2
: occurring prior to the opening of a stock market
premarket trading
Examples of premarket in a Sentence
Recent Examples on the Web
Tesla shares rose nearly 2% in premarket US trading on Wednesday after Musk’s post.
—Bloomberg, Mercury News, 11 June 2025
Tesla shares were slightly lower in premarket U.S. trading.
—Reuters, CNN, 21 Feb. 2025
McDonald’s shares were down 0.5% in premarket US trading.
—Shirley Zhao, Fortune, 15 Mar. 2024
Shares of Boeing fell 7.9% in premarket US trading on Monday as investors assessed any impact on production and planemaker’s long-term outlook.
—Julie Johnsson, Fortune, 7 Jan. 2024
Examples are automatically compiled from online sources to
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Bloomberg, Mercury News, 11 June 2025
Tesla shares were slightly lower in premarket U.S. trading.
—Reuters, CNN, 21 Feb. 2025
McDonald’s shares were down 0.5% in premarket US trading.
—Shirley Zhao, Fortune, 15 Mar. 2024
Shares of Boeing fell 7.9% in premarket US trading on Monday as investors assessed any impact on production and planemaker’s long-term outlook.
—Julie Johnsson, Fortune, 7 Jan. 2024
Cite this Entry
“Premarket.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/premarket. Accessed 4 Jul. 2025.
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