# sign in

idiom

Source: https://englishreference.com/idiom/sign-in
Updated: 2026-08-10

## Meaning

To sign one's name on a list when entering a place, to indicate one's arrival.

## Examples

- Please sign in at the front desk when you arrive.
- All visitors must sign in at the security station before entering the office building.
- Upon entering the conference, each attendee was required to sign in to confirm their registration and receive their name badge.

---

From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.