IPA: /ɪnˈæktɪv/
KK: /ɪnˈæktɪv/
To make something inactive or to stop it from working.
The technician had to inactivate the old software before installing the new version.
Past: inactivated
Past Participle: inactivated
Inactivate → It is formed from "in-" (meaning not) and "activus" (from Latin, meaning active). The word "inactivate" means to make something not active or to render it inactive.
Think of 'not' ('in-') and 'active' ('activus') to remember that 'inactivate' means to make something not active.