unauthorized
adjective
unauthorized is spelled U-N-A-U-T-H-O-R-I-Z-E-D: 12 letters and 4 syllables. It appears 3.7 times per million words in written English, the 13,496th most frequent word form (wordfreq, 2021 data). People search “unauthorised vs unauthorized” about 10 times a month (Google, United States). As an adjective, unauthorized means “Not having any authority” (English Wiktionary, September 2026).
How many letters and syllables are in unauthorized?
| Letters | 12: U-N-A-U-T-H-O-R-I-Z-E-D |
|---|---|
| Syllables | 4 (from its American pronunciation) |
| In writing | 3.7 times per million words; the 13,496th most frequent word form |
| Wrong spellings searched | none measured in search |
| Pairs people search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026).
How common is unauthorized?
Unauthorized appears 3.7 times per million words in written English, the 13,496th 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 unauthorized?
Unauthorized has 4 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Words people confuse with unauthorized
Word pairs people search, with the monthly searches for “a vs b” (G: Google, B: Bing, United States).
Also written: unauthorised.
Sources: Google and Bing searches (September 2025 to August 2026, through DataForSEO); English Wiktionary (homophones, alternative spellings).
Forms of unauthorized
- unauthorised
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does unauthorized mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Not having any authority.
- 2
Without official authorization.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Unauthorized in Spanish, French, German and Portuguese
In the sense without official authorization:
| Language | Words |
|---|---|
| German | unerlaubt |
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 unauthorized come from?
From un- + authorized.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).