1. to remove (a person, vehicle, or organization) from an official register or list
Usage: third person singular present tense of 'deregister'

Examples

• The school deregisters students who do not meet attendance requirements.
• The company deregisters vehicles from its fleet when they reach the end of their service life.
• She deregisters her email address from the mailing list each month.
• The government deregisters businesses that fail to renew their licenses.
• He deregisters his domain name after deciding to close his website.
• The hospital deregisters patients who have not visited in over five years.
• They deregister voters who have moved out of state.