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

People can log on to the county’s website to sign up. —Ruben Vives, Los Angeles Times, 20 Mar. 2025

Every transaction is logged on a blockchain, enabling robust auditing. —Evan J. Schwartz, Forbes, 20 Mar. 2025

The day officially started when Steven logged on to a dozen software programs. —E. Tammy Kim, The New Yorker, 11 Mar. 2025

Police officers visited two addresses matching those for Alpha Tau Omega and Delta Upsilon fraternities this week, according to the crime log on the UCF police department’s website. —Steven Walker, Orlando Sentinel, 7 Mar. 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