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.
The agency's findings also mirror other estimates by nonpartisan groups that the the legislation would add trillions to the deficit. Claudia Grisales, NPR, 4 June 2025 Investors have been demanding the U.S. government pay more in interest to borrow because of worries about whether it’s set to add trillions of dollars to its debt through tax cuts under discussion on Capitol Hill. Stan Choe, Los Angeles Times, 4 June 2025 Responding to a preliminary U.S. House budget adding trillions to the national debt, bond vigilantes recently withheld purchases at a routine auction of U.S. Treasury notes, forcing yields to the highest levels in 18 years. Forrest Claypool, Chicago Tribune, 2 June 2025 The tech billionaire announced his departure Wednesday shortly after voicing concerns about the sweeping tax and spending bill backed by Trump and congressional Republicans, which is expected to add trillions of dollars to the national debt. The Hill, 1 June 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 9 Jun. 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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