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ef

noun

ˈef How to pronounce ef (audio)
: the letter f

Word History

First Known Use

before the 12th century, in the meaning defined above

Time Traveler
The first known use of ef was before the 12th century

Browse Nearby Words

EEZ
ef
Efate
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Cite this Entry

“Ef.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ef. Accessed 26 Nov. 2025.

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