- a direct message sent to one or more users of a social media service or private messaging service, usually when the accounts involved have an established relationship, as when the recipient is linked to, friends with, or following the sender on a social media platform: He sent me a scary and abusive dm, so I reported the message and blocked his account.
- to send a direct message to (another user of such a service).
- decimeter; decimeters.
- decimetre
- Dominica
- (in Canada) deputy minister
- (the former) Deutschmark
