Dictionary.com
Thesaurus.com
Synonyms

de facto

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

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.


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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

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

    a de facto regime

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. a de facto husband or wife

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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.)


Etymology

Origin of de facto

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

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.

See Examples For:

Reaves will become one of the de facto leaders of the Lakers along with Luka Doncic.

From Los Angeles Times Jul. 13, 2026

In Australia, co-habiting couples who have lived together for two years are legally considered to be in what is known as a "de facto" relationship.

From BBC Jul. 4, 2026

Critics have called the government orders, which came with very little explanation, a de facto licensing scheme.

From Barron's Jun. 30, 2026

“It de facto denies Taiwan its voice as an active entity in international maritime activities.”

From The Wall Street Journal Jun. 24, 2026

Let me tell you something else about Cade Hernandez: As the school's de facto commander in the Stop Trying to Make Us Stop revolution, he was an expert button pusher.

From "100 Sideways Miles" by Andrew Smith

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training