username

American  

[yoo-zer-neym] / ˈyu zərˌneɪm /

noun

Computers.

1. Also called sign-in name,.  Also called login name,.  Also called sign-on name.  Also called logon name,.  a unique sequence of characters used to identify a user and allow access to a computer system, computer network, or online account.

2. the part of an email address before the @ sign.

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username British  

/ ˈjuːzəˌneɪm /

noun

1. computing a name that someone uses for identification purposes when logging onto a computer, using chatrooms, or as part of his or her e-mail address

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Etymology

Origin of username

First recorded in 1970–75; user ¹ ( def. ) + name ( def. )

Example Sentences

She can be reached on Signal at the username mhackman.59.

From The Wall Street Journal

In addition to traditional television broadcasters and other web-based streaming services, this year’s parade will, for the first time, be live-streamed on TikTok via the username @rose.parade.

From Los Angeles Times

Vinted's tips for reselling presents without offending the person who bought them include using a username that is not easily identifiable and keeping the background of photos neutral.

From BBC

But X's data has revealed the account is based in India and the username changed four times since March 2022.

From BBC

However, the account is based in Nigeria and its username has changed 11 times since 2010, according to X.

From BBC