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unknow

verb

unknow is spelled U-N-K-N-O-W: 6 letters. It appears about once in every 18 million words in written English, the 127,184th most frequent word form (wordfreq, 2021 data). As a verb, unknow means “To undo the process of knowing; to lose knowledge of something” (English Wiktionary, September 2026).

How many letters and syllables are in unknow?

Letters6: U-N-K-N-O-W
In writingabout once in every 18 million words; the 127,184th 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 unknow?

Unknow appears about once in every 18 million words in written English, the 127,184th 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).

Forms of unknow

  • unknows present, singular, he/she/it
  • unknowing participle, present
  • unknew past
  • unknown participle, past

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

What does unknow mean?

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

verb

  1. 1

    To undo the process of knowing; to lose knowledge of something.

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

Where does unknow come from?

From un- + know.

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

What to look up after unknow