Unregister

verb

verb ·Rare ·Advanced level

Definitions

Verb
  1. 1
    To undo the process of registration for. transitive

    "To unregister a DLL and remove the corresponding entries from the registry, add the /u switch to the command[…]"

  2. 2
    To undo a registration process. intransitive

    "Before you uninstall the software and rid yourself of ICQ forever, take the time to go online and unregister yourself (see the previous sections in this chapter). By unregistering, you remove your name from the ICQ computers."

Synonyms

All synonyms
deregisterderegisterunsubscribe

Example

More examples

"You are receiving this information letter because you have been in contact with our firm either as a client, a partner, or a prospect. If you no longer want to be on this list of recipients, please just send us an email with the subject "unregister"."

Etymology

From un- + register.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.