Word.ws English Dictionary

unregister

unregister verb: to undo the process of registration for.

Verb

unregister (third-person singular simple present unregisters, present participle unregistering, simple past and past participle unregistered)

  1. (transitive) To undo the process of registration for.
    • To unregister a DLL and remove the corresponding entries from the registry, add the /u switch to the command[…]1999, John Papa, C. Caison, Matt Brown, Professional ADO RDS programming with ASP, page 252
  2. (intransitive) To undo a registration process.
    • 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.2000, Peter Weverka, Michael Taylor, ICQ 2000 for dummies, page 34

Synonyms of unregister

Forms of unregister

third-person singular presentunregisters
present participleunregistering
past participleunregistered
pastunregistered

Origin of unregister

From un- + register.

Questions about unregister

What does unregister mean?
Unregister means to undo the process of registration for.
What part of speech is unregister?
Unregister is a verb.
What is the past tense of unregister?
The past tense of unregister is unregistered.

Words near unregister in the dictionary

  1. unregenerative
  2. unregimentable
  3. unregimental
  4. unregimented
  5. unregionalized
  6. unregister
  7. unregisterable
  8. unregistered
  9. unregistering
  10. unregisters
  11. unregistrability

Source and license

Adapted from Wiktionary: unregister (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “unregister.” Word.ws, https://word.ws/unregister. Based on Wiktionary, CC BY-SA 4.0.