username

noun

us·​er·​name ˈyü-zər-ˌnām How to pronounce username (audio)
variants or less commonly user name
plural usernames also user names
: a sequence of characters that identifies a user (such as on a computer system, website, or social media platform)
Never reuse a username and password combination. While doing so is convenient, if that combination is ever stolen from one service you use … it will expose every service you have that uses it.Rachel Cericola
These e-mail addresses generally look like this: "username@location.xxx".Walter S. Mossberg

called also user ID

Examples of username in a Sentence

Recent Examples on the Web Advertisement There were no usernames, passwords, Social Security numbers, financial account information, or credit card numbers shared with those platforms, the company said. Nathan Solis, Los Angeles Times, 26 Apr. 2024 Use multi-factor authentication Most major websites now support multi-factor or two-step authentication, which requires not only a username and password but additional assurances that a user is the rightful account holder. Brian Fung, CNN, 13 Apr. 2024 Instead, the company said, login credentials used in the hacks were likely stolen from another source for which the affected users may have used the same username and password. Lucia Suarez Sang, CBS News, 12 Apr. 2024 But Chen says the company does not track personal data or link usernames to the emails. Ryan MacAsero, The Mercury News, 18 Mar. 2024 The perpetrators of com's and 764's abuse have for years operated behind the masks of usernames and profile pictures. Ali Winston, WIRED, 13 Mar. 2024 Previously, One users needed a username and password and a verification code sent by text message. Craig Silverman, ProPublica, 11 Mar. 2024 The Post and its partners also found several video recordings on Telegram of victims being abused on Discord, including the Oklahoma girl and others who had carved usernames and group names into their bodies. Chris Dehghanpoor, Washington Post, 13 Mar. 2024 To gain access, the hackers relied on a crude technique, known as password spraying, of repeatedly trying username and password combinations in order to break into an account that had significant administrative authority. Kevin Collier, NBC News, 8 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'username.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1971, in the meaning defined above

Time Traveler
The first known use of username was in 1971

Dictionary Entries Near username

Cite this Entry

“Username.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/username. Accessed 2 May. 2024.

Kids Definition

user name

noun
: a sequence of characters that identifies a user when logging onto a computer or website

called also user ID

More from Merriam-Webster on username

Last Updated: - Updated example sentences
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