sign in
To write your name in a book or type your username and password to get access.
Meanings
To write your name in a register or book when arriving at a place.
"All visitors must sign in at the reception desk before going upstairs."
To enter a username and password to access a digital account or system.
"Sign in with your email address to view your order history."
To record someone else's arrival or grant them access on their behalf.
"I've already signed you in — they're expecting you in meeting room three."
Used in both physical contexts (signing a visitor's register) and digital contexts (logging into a website or app). Very common in everyday life. In digital contexts, interchangeable with 'log in'. Can be transitive ('Can you sign me in?').
Commonly used with
Forms
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