supervisor

Everyday

1. A supervisor is a person whose job is to watch over other people and their work, and make sure things are done right and safely. tree →
2. At school, a supervisor can be an adult who watches children at lunch, in the playground or during an exam. tree →

In the lessons

In everyday life, a supervisor is the boss of a small team in a shop, factory or office. In safety lessons, children are told to stay where a supervisor or adult can see them, and to tell a lunchtime supervisor or teacher if someone is hurt. Phrases: «lunchtime supervisor», «talk to your supervisor», «under supervision».

Examples

• Tell the lunchtime supervisor if you feel sick. tree →
• The supervisor checked that everyone had a helmet on. tree →
• Mum is a supervisor at the supermarket. tree →
• Swimming is only allowed when a supervisor is watching. tree →
• The exam supervisor said, «Pens down.» tree →
• Ask the supervisor before you leave the playground. tree →
• The workers told their supervisor about the broken machine. tree →
• A supervisor looks after the team. tree →

Note

Countable. Spelling: supervisor ends in -or, not «-er». Related: «supervise» (verb) and «supervision» (noun). «Adult supervision required» on a toy or game means a grown-up must watch.