supervisors

noun
UK /ˈsuːpəvaɪzəz/
US /ˈsuːpərvaɪzərz/

People who watch over others to make sure they do things right.

The supervisors checked that everyone wore a helmet at the building site.


OTHER MEANINGS

2. Teachers who watch students during an exam.

Two supervisors walked between the desks during the test.

3. People in charge of a group of workers in a factory or office.

The supervisors gave the new workers their daily tasks.

4. People who look after a place or activity to keep it safe.

The pool supervisors made sure the children swam safely.