disciplinarian

/ˌdɪsəplɪˈnɛriən/
noun
  1. A person who enforces strict rules and expects obedience, especially in a school, family, or organization.
    • The sergeant was a tough disciplinarian who demanded precision from every soldier.
    • The principal was known as a strict disciplinarian who did not tolerate misbehavior.
    • Her father was a gentle man but a firm disciplinarian when it came to homework.
adjective
  1. Relating to or characteristic of a person who enforces strict discipline.
    • The coach's disciplinarian methods were unpopular but effective.
    • His disciplinarian style of parenting left little room for negotiation.
    • The teacher had a disciplinarian attitude that kept the class orderly.
What does "disciplinarian" mean? | whatsthatwordmean | whatsthatwordmean