# log in

> English word · Verb

## Definitions
1. To gain access to a computer system, usually by providing a previously registered username and password.
2. To be placed at a certain ranking.

## Etymology
By analogy with clock in. First use of the term appears in 1963 in the publication Compatible Time-Sharing System from the MIT Computation Center.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/log-in