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pseudorandom

adjective

pseudorandom is spelled P-S-E-U-D-O-R-A-N-D-O-M: 12 letters. It appears about once in every 16 million words in written English, the 121,279th most frequent word form (wordfreq, 2021 data). As an adjective, pseudorandom means “Of a sequence of numbers, such that it has all the properties of a random sequence following some probability distribution (except true randomness)…” (English Wiktionary, September 2026).

How many letters and syllables are in pseudorandom?

Letters12: P-S-E-U-D-O-R-A-N-D-O-M
In writingabout once in every 16 million words; the 121,279th most frequent word form
Wrong spellings searchednone measured in search

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How common is pseudorandom?

Pseudorandom appears about once in every 16 million words in written English, the 121,279th most frequent word form in the list.

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

How do you pronounce pseudorandom?

  • US

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Flame,_not_lame-pseudorandom.wav, Wikimedia Commons (author and licence on each file's page).

Forms of pseudorandom

  • pseudo-random

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does pseudorandom mean?

The meanings the English Wiktionary records, quoted as written there (source below).

adjective

  1. 1

    Of a sequence of numbers, such that it has all the properties of a random sequence following some probability distribution (except true randomness), but is actually generated using a deterministic algorithm.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Pseudorandom in Spanish, French, German and Portuguese

In the sense appearing to be random:

LanguageWords
Frenchpseudo-aléatoire
Germanpseudozufällig, scheinzufällig
Spanishpseudoaleatorio

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

Where does pseudorandom come from?

From pseudo- + random.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What to look up after pseudorandom