de facto

American  

[dee fak-toh, dey] / di ˈfæk toʊ, deɪ /

adverb

1. in fact; in reality: They are forbidden from leaving the camp, thereby being de facto in a state of detention.

   Although his title was prime minister, he was de facto president of the country.

   They are forbidden from leaving the camp, thereby being de facto in a state of detention.

2. actually existing, especially when without lawful authority (distinguished from de jure).

   He led efforts to reduce de facto segregation in the city's public schools.

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noun

1. Australia. a person who lives with someone in an intimate romantic relationship but is not married to that person.

de facto British  

/ deɪ ˈfæktəʊ /

adverb

1. in fact

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adjective

1. existing in fact, whether legally recognized or not Compare de jure

   a de facto regime

noun

1. a de facto husband or wife

de facto Cultural  

1. Something generally accepted or agreed to without any formal decision in its favor: “They never elected him; he became their leader de facto.” From Latin, meaning “in fact.” (Compare de jure.)

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Etymology

Origin of de facto

First recorded in 1595–1605; from Latin dē factō literally, “from the fact”

Example Sentences

“The ugly truth,” Bosworth wrote, “is that we believe in connecting people so deeply that anything that allows us to connect more people more often is *de facto* good.”

From The Wall Street Journal • May 25, 2026

The Make America Healthy Again movement, for which Kennedy is the de facto leader, promotes a diet heavy in meat and animal products, such as butter, beef tallow and raw milk.

From MarketWatch • May 19, 2026

She becomes the de facto “keeper” of these letters and more mementos — a “strange gift,” she writes, the paper trail of something that should never have happened.

From Los Angeles Times • May 19, 2026

The U.A.E.’s exit will diminish the influence of Saudi Arabia, OPEC’s de facto leader, and the broader framework that includes Russia and other non-OPEC producers.

From Barron's • Apr. 28, 2026

What had been more or less de facto was to become relentlessly de jure.

From "Long Walk to Freedom" by Nelson Mandela

Related Words

• existing