Reactivate vs Deactivate - What's the difference?

As verbs the difference between reactivate and deactivate

is that reactivate is to activate again while deactivate is (ergative) to make something inactive or no longer effective.

To activate again.

* de-activate *

(deactivat)

(ergative) to make something inactive or no longer effective

to prevent the action of a biochemical agent (such as an enzyme)

to remove a person or piece of hardware from active military service