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De facto or defacto?

de facto is an adverb meaning “In actual use or existence, regardless of official or legal status”; defacto is a noun meaning “Alternative form of de facto”. de facto is written as two words and defacto as one word; they are used differently.

de factoordefacto

What is the difference between de facto and defacto?

de factodefacto
Part of speechadverb, adjective, nounnoun
Meaning

In actual use or existence, regardless of official or legal status

AustraliaA legally undeclared spouse; a partner in a spousal relationship which is not officially declared as a marriage, comparable to a common law husband or wife

Alternative form of de facto

ExampleWhile it is largely recognized that Ukraine holds de jure sovereignty on Crimea, Russia exercises de facto administration on the peninsulanone recorded
Formsnonedefactos
Pronunciation/ˌdeɪˈfæktəʊ/ /dɪˈfæktəʊ/ /ˌdiːˈfæktəʊ/not recorded
In writingnot counted (the list counts single words)about once in every 8 million words

Sources: de facto and defacto in the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Every current meaning of de facto and defacto

de facto

  1. 1

    adverb In actual use or existence, regardless of official or legal status

  2. 2

    adjective In actual use or existence, regardless of official or legal status

    While it is largely recognized that Ukraine holds de jure sovereignty on Crimea, Russia exercises de facto administration on the peninsula

  3. 3

    noun AustraliaA legally undeclared spouse; a partner in a spousal relationship which is not officially declared as a marriage, comparable to a common law husband or wife

  4. 4

    adverb Alternative form of de facto

  5. 5

    adjective Alternative form of de facto

defacto

  1. 1

    noun Alternative form of de facto

Source: the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); obsolete, archaic, dialect and rare senses left out.

Which is more common, de facto or defacto?

de facto is a phrase, which the list of single words does not count; defacto about once in every 8 million words.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

The words