Word.ws English Dictionary

ef

/ˈɛf/

ef noun: the name of the Latin script letter F/f. Also the pronunciation spelling of if.

Noun (1)

ef (plural efs)

  1. The name of the Latin script letter F/f.
    • I have drunk en-ee-cee-tee-ay-ar from the ef-ell-oh-doubleyou-ee-ar-ess in his gee-ay-ar-dee-ee-en many a time.2004, Will Rogers, The Stonking Steps, page 170

Noun (2) capitalized: EF

EF (plural EFs)

  1. (abbreviation, initialism) Initialism of ejection fraction.
  2. (abbreviation, initialism) Initialism of electric field.
    • Under certain conditions, the localized EF near an energized transmission line conductor can produce small electric discharges, ionizing nearby air. […] Modern “bipolar” cardiac devices are much less susceptible to interactions with EFs. Manufacturers of pacemakers and other IMDs have indicated...2024 August 19, “LAKETOWN 115-kV TRANSMISSION LINE PROJECT IN CARVER COUNTY, MN”, in Great River Energy, pages 55, 74

Proper noun capitalized: EF

EF

  1. (abbreviation, initialism) Initialism of Entity Framework, an open-source ORM framework.
  2. (Canada, US) Followed by a number from 0 to 5: initialism of Enhanced Fujita, a rating on the Enhanced Fujita scale used to indicate the intensity of a tornado; it has superseded the Fujita scale.
  3. (abbreviation, initialism) Initialism of Extraordinary Form.

Adjective capitalized: EF

EF (not comparable)

  1. (abbreviation, initialism) Initialism of extremely fine or extra fine; also XF.

Also used as

ef is also the pronunciation spelling of if.

ef meaning in Hindi, Tamil, Marathi and Bengali

ef in Hindi

name of the letter F, f
एफ़ ef, एफ eph

ef in Tamil

ஈஎஃப்

ef in Marathi

name of the letter F, f
एफ eph

ef in Bengali

name of the letter F, f
এফ eph
More languagesFewer languages
ef in Telugu
ఇఎఫ్, ఈఎఫ్
ef in Malayalam
ഇഎഫ്
ef in Kannada
ಇಎಫ್
ef in Gujarati
ઇએફ
ef in Arabic
إِف ʔef
ef in Malay
ef
ef in Persian
اف ef
ef in Thai
เอฟ ef

Forms of ef

pluralefs
alternative formeff
pluralEFs

Plural of ef: efs

Words formed from ef

Phrases with ef

Words that rhyme with ef

15 more rhymesFewer rhymes

Questions about ef

What does ef mean?
Ef means the name of the Latin script letter F/f.
What is ef in Hindi?
Ef in Hindi is एफ़ (ef), एफ (eph). See Ef meaning in Hindi.
What part of speech is ef?
Ef can be a noun, a proper noun or an adjective.
How do you pronounce ef?
Ef is pronounced /ˈɛf/.
What is the plural of ef?
The plural of ef is efs.

Words near ef in the dictionary

  1. Eeyores
  2. eeyorish
  3. EEZ
  4. EEZs
  5. EEZT
  6. ef
  7. EF-Tu
  8. EF-Tus
  9. EFA
  10. Efail Isaf
  11. efalizumab

Source and license

Adapted from Wiktionary: ef (page history and authors); EF (page history and authors); ef (Tamil, IndicTrans2 machine translation) (model and license); ef (Telugu, IndicTrans2 machine translation) (model and license); ef (Malayalam, IndicTrans2 machine translation) (model and license); ef (Kannada, IndicTrans2 machine translation) (model and license); ef (Gujarati, IndicTrans2 machine translation) (model and license). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-ef.wav.

Cite this entry: “ef.” Word.ws, https://word.ws/ef. Based on Wiktionary, CC BY-SA 4.0.