disciplinarian

American  

[dis-uh-pluh-nair-ee-uhn] / ˌdɪs ə pləˈnɛər i ən /

noun

1. a person who enforces or advocates discipline.

   The teacher was a formidable disciplinarian.

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adjective

1. disciplinary.

disciplinarian British  

/ ˌdɪsɪplɪˈnɛərɪən /

noun

1. a person who imposes or advocates discipline

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adjective

1. a less common word for disciplinary

Etymology

Origin of disciplinarian

First recorded in 1575–85; discipline + -arian

Example Sentences

“They are my fellow actors. I’m not their disciplinarian.”

From Los Angeles Times

Then they become bargain hunters, natural contrarians, fans of the long view and largely disciplinarians when it comes to how much a business is actually worth.

From MarketWatch

The family was conservative; her dad, a disciplinarian.

From The Wall Street Journal

Ray, who is joining the Marines to make his disciplinarian but not unkind father proud, convinces Cam to join alongside him.

From Los Angeles Times

Many of those who supported him thought his military background and disciplinarian credentials were what the country needed to get to grips with the Islamist insurgency in the north.

From BBC

Related Words

• enforcer