Meaning of the word "sign in" in English

What does "sign in" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

sign in

US /saɪn ˈɪn/

UK /saɪn ˈɪn/

to register one's arrival, for example at a hotel or at work, by writing one's name in a book or on a computer

Example:

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Please sign in at the front desk upon arrival.

•

Employees must sign in every morning.

Synonym:

check in register log in clock in

to access a computer system or application by entering a username and password

Example:

•

You need to sign in to access your email.

•

I can't sign in to my account; I forgot my password.

Synonym:

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