unmanned
/ʌnˈmænd/adjective, verb
unmanned is spelled U-N-M-A-N-N-E-D: 8 letters and 2 syllables. It appears 1.9 times per million words in written English, the 20,101st most frequent word form (wordfreq, 2021 data). As an adjective, unmanned means “Not operated by a person or a crew” (English Wiktionary, September 2026).
How many letters and syllables are in unmanned?
| Letters | 8: U-N-M-A-N-N-E-D |
|---|---|
| Syllables | 2 (from its American pronunciation) |
| In writing | 1.9 times per million words; the 20,101st most frequent word form |
| Wrong spellings searched | none measured in 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).
How common is unmanned?
Unmanned appears 1.9 times per million words in written English, the 20,101st 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 unmanned?
- /ʌnˈmænd/
Unmanned has 2 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). Recordings: LL-Q1860_(eng)-Persent101-unmanned.wav, Wikimedia Commons (author and licence on each file's page).
What does unmanned mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Not operated by a person or a crew.
unmanned drones
- 2
Of a bird of prey: not accustomed to the presence of human beings.
- 3
slangOf a setting, situation or event, devoid of males.
verb
- 1
simple past and past participle of unman
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you abbreviate unmanned?
Wiktionary records one abbreviation of unmanned: UUV.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Unmanned in Spanish, French, German and Portuguese
In the sense not operated by a person or a crew:
| Language | Words |
|---|---|
| French | sans équipage |
| German | unbemannt |
| Portuguese | não tripulado |
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 unmanned come from?
From un- + manned.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).