English Reference
noun · verb

proctor

n. · v.
US /ˈpɹɑktɝ/ UK /pɹˈɒktɐ/ proc·tor UK spelling proctored, proctors

  1. 01 C1 Advanced American English

    n.a person who watches students during an exam to prevent cheating.

    n.an individual appointed to supervise students during an examination to ensure academic integrity.

    Simple

    The proctor walked quietly between the desks while the students finished their essays.

    In context

    The university requires at least one proctor for every thirty students to maintain strict silence and prevent any unauthorized communication during the final.

    Usage

    In British English, the term 'invigilator' is much more common for this role.

    Teacher's tip

    While 'proctor' is the standard term in the US and Canada, teachers should note that 'invigilator' is the preferred term in the UK and Australia.

    invigilatorsupervisormonitor
  2. 02 C2 Proficiency British EnglishFormal

    n.a high-ranking official at some older universities who handles discipline.

    n.a senior administrative officer at certain traditional universities, such as Oxford or Cambridge, responsible for student discipline and ceremonial duties.

    Simple

    The university proctor was responsible for investigating the students' behavior after the protest.

    In context

    The junior proctor led the academic procession, wearing the traditional robes that signified his authority over student conduct within the college grounds.

    Teacher's tip

    This sense is highly specific to a few elite institutions and is rarely encountered in general conversation.

  3. 03 C1 Advanced American English

    v.to watch students while they take a test to make sure they follow the rules.

    v.to act as a supervisor during an examination.

    Simple

    Graduate students are often asked to proctor undergraduate exams during finals week.

    In context

    The department head requested that senior faculty members proctor the entrance exams to ensure that all testing protocols were strictly followed.

    Usage

    Often used as a transitive verb taking the exam or the students as an object.

    invigilatesupervisewatch

While in Utqiaġvik for a week in mid-April, they participated over the weekend in the Piuraaġiaqta annual spring festival, watching a harpoon-throwing contest and proctoring a kids' snowmobile race.

Phys.org· 4 Sept 2026

The soil test was originally developed by Ralph R. Proctor.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level C1 · Advanced
Frequency Frequent
Updated