unsub
/ˈʌnsʌb/noun, verb
unsub is spelled U-N-S-U-B: 5 letters. It appears about once in every 4 million words in written English, the 56,108th most frequent word form (wordfreq, 2021 data). As a noun, unsub means “Abbreviation of unknown subject of an investigation” (English Wiktionary, September 2026). The plural of unsub is unsubs.
How many letters and syllables are in unsub?
| Letters | 5: U-N-S-U-B |
|---|---|
| In writing | about once in every 4 million words; the 56,108th most frequent word form |
| Wrong spellings searched | none 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 unsub?
Unsub appears about once in every 4 million words in written English, the 56,108th 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 unsub?
- /ˈʌnsʌb/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-au-unsub.ogg, Wikimedia Commons (author and licence on each file's page).
Forms of unsub
- unsubs plural, present, singular, he/she/it
- unsubbing participle, present
- unsubbed participle, past
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does unsub mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Abbreviation of unknown subject of an investigation..
- 2
Abbreviation of unsubscription.
- 3
Abbreviation of unsubscriber.
verb
- 1
Abbreviation of unsubscribe.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Unsub in Spanish, French, German and Portuguese
In the sense unknown subject:
| Language | Words |
|---|---|
| French | quidam |
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 unsub come from?
From un- + sub.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).