Definitions

fiat

[fee-aht, -at, fahy-uht, -at] / ˈfi ɑt, -æt, ˈfaɪ ət, -æt /

NOUN

order, proclamation

Synonyms

STRONG

authorization command decree dictate dictum edict endorsement mandate ordinance permission precept sanction ukase warrant

Antonyms

STRONG

denial disapproval opposition veto

WEAK

question request

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Stellantis said it would invest 70% of its brand and product investment in four global brands that have the greatest scale and highest potential profitability: Jeep, Ram, Peugeot, and FIAT.

From Barron's • May 21, 2026

Called-out comment psumba80 @damianpalmares – Keep in mind that this commercial was from the same company that ran the “Hot Italian Latte Girl w/geek” commercial – FIAT.

From Forbes • Feb. 6, 2012

I thought it was a great commercial. psumba80 @damianpalmares – Keep in mind that this commercial was from the same company that ran the “Hot Italian Latte Girl w/geek” commercial – FIAT.

From Forbes • Feb. 6, 2012

But when, once in three hundred years, such a child is born to the world as Margaret's son, lo! a human torch lighted by fire from heaven; and "FIAT LUX" thunder's from pole to pole.

From The Cloister and the Hearth by Reade, Charles

But when, once in three hundred years, such a child is born to the world as Margaret's son, lo! a human torch lighted by fire from heaven; and "FIAT LUX" thunders from pole to pole.

From The Cloister and the Hearth A Tale of the Middle Ages by Reade, Charles

Vocabulary lists containing fiat

"What to the Slave is the Fourth of July?" by Frederick Douglass

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This Week In Words: January 4–10, 2020

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Texas v. Johnson (1989)

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