If you supervise an activity or a person, you make sure that the activity is done correctly or that the person is doing a task or behaving correctly. University teachers have refused to supervise students' examinations. [VERB noun] He supervised and trained more than 400 volunteers. [VERB noun]
Definition of supervise verb from the Oxford Advanced Learner's Dictionary. to be in charge of somebody/something and make sure that everything is done correctly, safely, etc. Who is supervising? supervise somebody doing something She supervised the children playing near the pool.
To manage and direct; be in charge of: supervises twenty employees; supervised the construction of the new kitchen. [Middle English *supervisen, from Medieval Latin supervidēre, supervīs- : Latin super-, super- + Latin vidēre, to see; see weid- in Indo-European roots.] American Heritage® Dictionary of the English Language, Fifth Edition.
Past participle of supervise. Done under supervision; watched. The judges are strictly supervised and appeal is allowed. Primary instruction is free but not compulsory, and the schools are supported and supervised by the states.