Aug 12, 2010at my business most of the employees use the word inactivate frequently. May 19, 2020inactive contacts are those contacts which have been dormant for a particular amount of time. Mar 11, 2016apparently, “inactivate” is used as frequently as “deactivate” but mostly in biology, rather than in general contexts.
Active / activate inactive / inactivate of course, if you don't mind mixing the base words, you could use.