- a variation of email.
noun
verb
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to contact (a person) by electronic mail
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to send (a message, document, etc) by electronic mail
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A system for sending and receiving messages electronically over a computer network. E-mail is asynchronous and does not require the receiver of the message to be online at the time the message is sent or received. E-mail also allows a user to distribute messages to large numbers of recipients instantaneously.
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A message or messages sent or received by such a system.
Discover More
The proliferation of spam and the transmission of computer viruses through e-mail attachments are two of the more problematic aspects of this technology.
Other Word Forms
Vocabulary lists containing e-mail
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The airport group said the e-mail addresses obtained by the hackers came from passengers signing up to the airports' on-site WiFi.
From BBC ● Aug. 27, 2026
"The President has directed federal agencies to review interpretive materials to ensure accuracy, honesty, and alignment with shared national values," the department told AFP by e-mail.
From Barron's ● May 17, 2026
Liu Pengyu, a spokesman for the Chinese embassy in Washington D.C., said via e-mail that the two leaders would discuss “major issues concerning China-U.S. relations and world peace and development.”
From Barron's ● May 12, 2026
The DUP even made it the subject of its weekly e-mail to members, headlined: "Never afraid to speak up and speak out."
From BBC ● Feb. 8, 2026
If the person whose box they checked also checked their box, both daters would be notified of the other’s e-mail address within twenty-four hours.
From "Blink" by Malcolm Gladwell
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.