log on

verb

variants or less commonly log in

logged on also logged in; logging on also logging in; logs on also logs in

intransitive verb

: to establish communication and initiate interaction with a computer or system

When you log on, you are taken to your "slimming apartment"; it's a virtual world, kind of like the Sims game …

—Gill Sutherland

… that voters from Iowa, New Hampshire, and Ohio will see different pages when they log in.

—Dana Milbank

—often used with to

log in to the mainframe

After a hellish day at work or spat with your guy, you log on to Facebook …

—Jessica Knoll

—often written as log onto and log into

… a so-called portal, the site that greets users when they first log onto the Internet.

—Katie Hafner

… almost seven million paying subscribers, who can log into the game and interact with other players.

—Seth Schiesel

log-on

ˈlȯg-ˌȯn 

ˈläg-ˌän

noun

or less commonly log-in

ˈlȯg-ˌin 

ˈläg-

Examples of log on in a Sentence

Recent Examples on the Web

Waterfield logged on to her insurance portal and saw no change in status. —Andrea Hsu, NPR, 25 Apr. 2025

Now imagine the same scenario but, instead of the employee noticing the problem and having to submit a ticket, the IT team receives an alert and can fix the issue before the marketeer even logs on. —Jon Cairns, Forbes.com, 21 Apr. 2025

Increasing logging on federal lands would increase the supply of logs for US industry, said Rocky Goodnow, vice president of North American Timber Service at Forest Economic Advisors. —Laura Paddison, CNN, 6 Mar. 2025

Soon, millions of Windows 95 users logged on everyday to Eno’s startup jingle. —Andrew Paul, Popular Science, 10 Apr. 2025

Word History

First Known Use

1962, in the meaning defined above

Rhymes for log on

• anton
• argon
• axon
• baronne
• baryon
• baton
• boron
• buisson
• bygone
• capon
• cardon
• chiffon

Kids Definition

log on

verb

variants or log in

: to make a connection with a computer or system

logged on to the Internet

log-on

ˈlȯg-ˌȯn

ˈläg-ˌän

noun