The meaning of SUPERVISION is the action, process, or occupation of supervising; especially : a critical watching and directing (as of activities or a course of action). How to use supervision in a sentence.

Definition of supervision noun from the Oxford Advanced Learner's Dictionary [uncountable] the work or activity involved in being in charge of somebody/something and making sure that everything is done correctly, safely, etc. Very young children should not be left to play without supervision.

Supervision is the noun form of the verb supervise, meaning to oversee or watch over. You can supervise a project, but most of the time supervision means supervising people, especially parents supervising their children or a manager or supervisor supervising their employees.