eff
/ɛf/noun, verb
eff is spelled E-F-F: 3 letters. It appears 2.5 times per million words in written English, the 17,342nd most frequent word form (wordfreq, 2021 data). As a noun, eff means “Alternative spelling of ef; the name of the Latin script letter F/f” (English Wiktionary, September 2026). The plural of eff is effs.
How many letters and syllables are in eff?
| Letters | 3: E-F-F |
|---|---|
| In writing | 2.5 times per million words; the 17,342nd most frequent word form |
| Wrong spellings searched | none measured in search |
| Sounds like |
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 eff?
Eff appears 2.5 times per million words in written English, the 17,342nd 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 eff?
- /ɛf/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Words people confuse with eff
Sounds like: ef (Wiktionary's homophone list; some hold only in some accents).
Also written: ef.
Sources: English Wiktionary (homophones, alternative spellings).
Forms of eff
- effs plural, present, singular, he/she/it
- effing participle, present
- effed participle, past
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does eff mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Alternative spelling of ef; the name of the Latin script letter F/f.
verb
- 1
slangSynonym of fuck.
Eff off!
- 2
To put into words; to express.
noun
- 1
Alternative letter-case form of eff.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).