detach
Definitions
To disengage, remove, or separate something from a larger body or object.
To send a group of soldiers or a specific unit away from a main force for a particular task.
To become emotionally or mentally aloof or disconnected from a situation or person.
Examples
You need to detach the handle from the main unit before cleaning it.
It is often difficult to detach yourself from your emotions when making a major life decision.