DND

Writing & Everyday abbreviation · Everyday

DND stands for Do not disturb, an everyday abbreviation.

Signals that a person does not want to be interrupted, from the door hangers used in hotels to phone and app settings that silence notifications. On smartphones, DND mode blocks calls and alerts except from chosen contacts.

Example: I'm putting my phone on DND during the exam, so text me after 4.

Usage notes

Several hotel chains now require a welfare check after a set number of days with a DND sign on the door, a safety policy adopted in recent years. Apple folded the feature into its Focus modes in iOS 15 (2021), though "Do Not Disturb" remains one of them. Workplace chat tools such as Slack offer the same setting.

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