log in

British  

verb

1. Also: log on.  to enter (an identification number, password, etc) from a remote terminal to gain access to a multiaccess system

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noun

1. Also: login.  the process by which a computer user logs in

log in Idioms  

1. Also, log on. Enter into a computer the information needed to begin a session, as in I logged in at two o'clock, or There's no record of your logging on today. These expressions refer especially to large systems shared by numerous individuals, who need to enter a username or password before executing a program. The antonyms are log off and log out, meaning “to end a computer session.” All these expressions derive from the use of log in the nautical sense of entering information about a ship in a journal called a log book. [c. 1960]

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Example Sentences

It isn’t unusual for me to log in to hotel Wi-Fi 20 or 30 times a day.

From The Wall Street Journal

The police computer system recorded that someone logged in to see the evidence in the case after Garnacho had been twice written to about the speeding.

From BBC

Maniya built an agent with Replit that can log in to diagnostic platforms, pull patient test results and add them to their charts.

From The Wall Street Journal

The 2026 Oscars will air on ABC, and those with cable subscriptions can also watch the show by logging in to the ABC app or abc.com.

From Los Angeles Times

“Let’s just say she had not logged in and continued to check the website as though she was looking for Taylor Swift tickets,” he said.

From The Wall Street Journal

Related Words

• load