fiat

noun

fi·​at ˈfē-ət How to pronounce fiat (audio)
-ˌat,
-ˌät;
ˈfī-ət,
-ˌat How to pronounce fiat (audio)
1
: an authoritative or arbitrary order : decree
government by fiat
2
: an authoritative determination : dictate
a fiat of conscience
3
: a command or act of will that creates something without or as if without further effort
According to the Bible, the world was created by fiat.

Examples of fiat in a Sentence

He runs the company by fiat. the school principal issued a fiat that caps were not to be worn inside the school, and that was that
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.
Bitcoin is a digital currency and virtual payment system designed to exist outside the control of any central entity, in contrast to fiat currencies which are controlled by governments, like the U.S. dollar or the Swiss franc. Andrea Riquier, USA Today, 7 Apr. 2025 Even cautious investors might view that as a valuable diversification tool, sitting between the extremes of fiat savings and direct bitcoin speculation. Dave Birnbaum, Forbes.com, 31 Mar. 2025 Perhaps the next Democratic president can call climate change a war and then just impose the Green New Deal by fiat. Steven Greenhut, Oc Register, 28 Mar. 2025 These platforms will likely focus on seamless fiat on/off ramps for businesses, cross-chain stablecoin liquidity, compliance tools for enterprise stablecoin usage, integration with existing payment processors, and support for multiple stablecoin types. Boaz Sobrado, Forbes, 21 Mar. 2025 See All Example Sentences for fiat

Word History

Etymology

Latin, let it be done, 3rd singular present subjunctive of fieri to become, be done — more at be

First Known Use

circa 1631, in the meaning defined at sense 3

Time Traveler
The first known use of fiat was circa 1631

Cite this Entry

“Fiat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fiat. Accessed 16 Apr. 2025.

Kids Definition

fiat

noun
fi·​at ˈfē-ət How to pronounce fiat (audio) -at How to pronounce fiat (audio)
-ät;
ˈfī-ət,
-at
: an order from someone in charge

Legal Definition

1
: decree
2
: an authoritative but arbitrary order
a brazen act of judicial fiatL. H. Tribe

More from Merriam-Webster on fiat

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