niff
/nɪf/noun, verb
niff is spelled N-I-F-F: 4 letters. It appears about once in every 71 million words in written English, the 265,644th most frequent word form (wordfreq, 2021 data). As a noun, niff means “A bad smell” (English Wiktionary, September 2026). The plural of niff is niffs.
How many letters and syllables are in niff?
| Letters | 4: N-I-F-F |
|---|---|
| In writing | about once in every 71 million words; the 265,644th 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 niff?
Niff appears about once in every 71 million words in written English, the 265,644th 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 niff?
- /nɪf/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-niff.wav, Wikimedia Commons (author and licence on each file's page).
Forms of niff
- niffs plural, present, singular, he/she/it
- niffing participle, present
- niffed participle, past
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does niff mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
AustraliaIrelandUKinformalA bad smell.
Whew, there's a bit of a niff in here. Is that your socks?
- 2
A sulk or sullen mood.
verb
- 1
informalTo smell bad; to stink.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).