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Phrasal verbs

Log in and login: the difference, examples and practice

Log in and sign in both mean to enter your account. Learn when login is one word, how sign in differs from sign up, a common mistake and an exercise.

Log in means to enter a system: an account, a website or an app. Sign in means the same, and on many sites the button says exactly that. Login as one word is a noun: the details you use to enter, or the act of entering, as in login details, login page.

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log in / sign in (to + account/website); log in with + email/password; login (noun): login details, login page

  • I can't log in to my work email because I forgot my new password.
  • Log in with your student account to see your exam results.
  • Keep your login details somewhere safe and never share them with anyone.

What changed

First versionI tried to login to the website three times, but it didn't work.

RevisionI tried to log in to the website three times, but it didn't work.

The verb is two words: log in, logged in, logging in. Login is written as one word only as a noun or before a noun: your login, the login screen. After tried to you need a verb, so log in.

Cambridge Dictionary

Don't confuse sign in and sign up. Sign up means to register and create an account: I signed up last week. Sign in and log in mean to enter an account you already have. If you mean the name you type in, username is the clearer word, while login details are your username and password together.

Your turn

I already have an account, so I just need to ___ with my email and password.

(log in / sign up)

Show the answer

log in — The account already exists, so all you need to do is enter it: log in. Sign up means to create a new account, which isn't needed here.

Describe a problem you had logging in to a service: email, a bank or a learning platform. Say what went wrong and how you solved it.

Yesterday I couldn't log in to my banking app because it kept rejecting my code, so I reinstalled the app and it worked.

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