# drop in

idiom

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

## Meaning

To arrive casually and unannounced, with little or no warning; also, to visit without an appointment.

## Examples

- Feel free to drop in for coffee whenever you are nearby.
- I was surprised when my old friend decided to drop in without calling me first.
- Although she preferred to schedule her visits in advance, she occasionally allowed her neighbors to drop in for a brief afternoon chat.

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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.