sign in
/saɪn ɪn/
Meaning
To enter your username and password to gain access to a computer system, website, or online portal. In a physical academic setting, it can also refer to writing your name on an attendance sheet to record your presence at a class, lecture, or exam.
Examples
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Please sign in to the student portal to check your final grades.
Please sign in to the student portal to check your final grades.
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You need to sign in at the front desk before entering the university laboratory.
You need to sign in at the front desk before entering the university laboratory.
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I couldn't sign in to the library database because I forgot my new password.
I couldn't sign in to the library database because I forgot my new password.
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Make sure everyone signs in before the seminar begins so we can track attendance.
Make sure everyone signs in before the seminar begins so we can track attendance.
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If you are using a public computer, don't forget to sign in using a private window.
If you are using a public computer, don't forget to sign in using a private window.
Common Mistakes
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✗ I need to sign in the website.
✓ I need to sign in to the website.
The phrasal verb 'sign in' requires the preposition 'to' when followed by the specific website, platform, or system you are accessing.
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✗ Please write your name to sign in.
✓ Please sign in.
Saying 'write your name to sign in' is redundant because the action of 'signing in' on a physical sheet already implies writing your name.
Related Expressions
Practice
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Students must ___ to the online learning platform to access the homework.
💡 Enter your details to access a system.
Show answer
sign in
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Don't forget to ___ on the attendance sheet at the front of the lecture hall.
💡 Write your name to show you are present.
Show answer
sign in