username
noun
a unique sequence of characters used to identify a user and allow access to a computer system, computer network, or online account.
usernames
-
pluralof username.plural
The grammatical form denoting more than one person, place, thing, or idea.
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.
"So moving away from phone numbers to usernames, we believe, will make it difficult for us to counter those crimes," he said.
From BBC ● Jul. 21, 2026
"Users still require a phone number to use WhatsApp and we've built multiple layers of defense against scams into usernames."
From Barron's ● Jul. 2, 2026
Once it is fully activated, WhatsApp users will be able to connect after exchanging usernames only.
From BBC ● Jun. 29, 2026
The plaintiffs’ counsel also tested Snap’s “Quick Add” feature in 2023 and found that many of the usernames “generated by Snap’s recommendation algorithm appeared on their face to belong to predatory users,” the lawsuit said.
From Los Angeles Times ● Jun. 25, 2026
I look at her cell, and yes, there are some names I recognize, because they have some ego-driven usernames that they mix in with the instrument they play.
From "Split the Sky" by Marie Arnold
