Search results
Check pronunciation: fiat. Definition of fiat noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
From Longman Dictionary of Contemporary English Related topics: Policies fi‧at /ˈfiːæt, ˈfaɪæt/ noun [ countable] formal an official order given by someone in a position of authority, without considering what other people want by fiat The matter was settled by presidential fiat.
Britannica Dictionary definition of FIAT. formal. : an official order given by someone who has power : an order that must be followed. [count] a judicial fiat. [noncount] He runs the company by fiat. government by fiat.
