noun, often capitalized, often attributive
\ ˈē How to pronounce e (audio) \
plural e's or es\ ˈēz How to pronounce e (audio) \

Definition of e

 (Entry 1 of 5)

1a : the 5th letter of the English alphabet
b : a graphic representation of this letter
c : a speech counterpart of orthographic e
2 : the third tone of a C-major scale
3 : a graphic device for reproducing the letter e
4 : one designated e especially as the fifth in order or class
5a : a grade rating a student's work as poor and usually constituting a conditional pass
b : a grade rating a student's work as failing
c : one graded or rated with an E
6 : a transcendental number having a value to eight decimal places of 2.71828183 that is the base of natural logarithms
7 : something shaped like the letter E
8 capitalized : ecstasy sense 2

Definition of e (Entry 2 of 5)

1 earth
2 east; eastern
3 edge
4 eldest
5 ell
6 empty
7 end
8 energy
9 erg
10 excellent

Definition of E (Entry 3 of 5)

1 electromotive force
2 energy
3 English
4 error
5 exponent



Definition of e- (Entry 4 of 5)

1 : missing : absent edentulous
2 : away eluviation

Definition of e- (Entry 5 of 5)

: electronic e-commerce

Examples of e in a Sentence

Noun a word that begins with an e a word that begins with e a song in the key of E

First Known Use of e


before the 12th century, in the meaning defined at sense 1a

History and Etymology for e


Middle English, from Anglo-French & Latin; Anglo-French, out, forth, away, from Latin, from ex-

Combining form


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Time Traveler for e

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The first known use of e was before the 12th century

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Cite this Entry

“E.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/e. Accessed 15 Aug. 2022.

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More Definitions for e


noun, often capitalized
\ ˈē How to pronounce e (audio) \
plural e's or es\ ˈēz \

Kids Definition of e

1 : the fifth letter of the English alphabet
2 : a grade that shows a student's work is failing
3 : a musical note referred to by the letter E



Kids Definition of E

1 east
2 eastern
3 excellent



Medical Definition of E

1 emmetropia
2 enema
3 enzyme
4 experimenter
5 eye

More from Merriam-Webster on e

Nglish: Translation of e for Spanish Speakers

Britannica.com: Encyclopedia article about e


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