ログイン／ログオフ

• Reading: ログインろぐおふ
• Romaji: login rogoofu
• Pronunciation: /ɾo.ɡɯ.iɴ.ɾo.ɡɯ.o.ɸɯ/

Meaning

Log in / log off; to sign in to or sign out of a computer system or online account.

Loanword nouns and suru-verbs from English 'log in' and 'log off.' ログインする means to sign in; ログオフする (or ログアウトする, more common in everyday Japanese) means to sign out. Essential vocabulary for digital life. ログイン画面 (login screen) and ログイン情報 (login credentials) are common compounds.

Examples

1. パスワードを忘れてログインできなくなった。 I forgot my password and got locked out of my account.
2. 使い終わったら必ずログオフしてください。 Please make sure to log off when you're done.
3. 新しい端末からログインしたら通知が届いた。 I got a notification when I logged in from a new device.

Usage Guide

Context: technology, internet, daily life, security

Tone: neutral

Origin & History

From English 'log in' and 'log off,' borrowed into Japanese as katakana loanwords. The term 'log' originally referred to ship logbooks where entries were recorded — 'logging in' meant recording one's entry into a system.

Cultural Context

Era: Modern

Generation: All ages

Social background: Universal