trillion

noun

tril·​lion ˈtri(l)-yən How to pronounce trillion (audio)
1
: a number equal to 1,000 times one billion see Table of Numbers
2
: an indeterminately large number
a trillion mosquitoes out tonight
trillion adjective
trillionth adjective or noun

Examples of trillion in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In the meantime, expect more one-day drops that could wipe out trillions of dollars from the stock market. Trefis Team, Forbes.com, 29 Apr. 2025 The exception: 2021, when the government was spending trillions to fight the coronavirus pandemic and prevent an economic disaster. John Kelly, Nancy Cordes, CBS News, 29 Apr. 2025 The on-again-off-again tariff announcements have rattled investors, wiping out trillions in value from stock markets and frustrating business leaders who are struggling to make business decisions without knowing how much goods will cost in the long run. Brian Bennett, Time, 29 Apr. 2025 But the loss of trillions of dollars over a matter of days in April was extreme. Jeanne Sahadi, CNN Money, 28 Apr. 2025 See All Example Sentences for trillion

Word History

Etymology

French, from tri- + -illion (as in million)

First Known Use

1690, in the meaning defined at sense 1

Time Traveler
The first known use of trillion was in 1690

Browse Nearby Words

Cite this Entry

“Trillion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trillion. Accessed 2 May. 2025.

Kids Definition

trillion

noun
tril·​lion ˈtril-yən How to pronounce trillion (audio)
1
: a number equal to 1,000 times one billion see number
2
: a very large number
a trillion mosquitoes out tonight
trillion adjective
trillionth adjective
trillionth noun

More from Merriam-Webster on trillion

Last Updated: - Updated example sentences
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