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• stern
  stern

  adjective

  firm, strict, or uncompromising.
• Stern
  Stern

  noun

  Isaac, 1920–2001, U.S. violinist, born in Russia.
• stern-
  stern-

  variant of sterno- before a vowel.

stern

¹ American  

[sturn] / stɜrn /

adjective

sterner, sternest

1. firm, strict, or uncompromising.

   stern discipline.

   Synonyms:

   unfeeling, cruel, unsympathetic, unrelenting, adamant

   Antonyms:

   lenient

2. hard, harsh, or severe.

   a stern reprimand.

   Synonyms:

   unfeeling, cruel, unsympathetic, unrelenting, adamant

3. rigorous or austere; of an unpleasantly serious character.

   stern times.

4. grim or forbidding in aspect.

   a stern face.

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stern ² American  

[sturn] / stɜrn /

noun

1. the after or rear part of a vessel (often opposed to bow orstem ).

   The ship's stern was a glory of brightly painted carved figures of knights and mythical beasts.

2. the back or rear of anything.

3. Astronomy. Stern, the constellation Puppis.

4. Fox Hunting. the tail of a hound.

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verb (used with or without object)

1. to be the person paddling, steering, working, etc., at the rear of (a vessel).

   When you're bird-watching, it's much better to be paddling up front than sterning the canoe.

2. to propel or steer (a vessel) with the after or rear part leading.

   We pulled up to the dock 15 minutes later and managed to stern in before dark.

Stern ³ American  

[sturn] / stɜrn /

noun

1. Isaac, 1920–2001, U.S. violinist, born in Russia.

2. Otto, 1888–1969, U.S. physicist, born in Germany: Nobel Prize 1943.

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stern- ⁴ American  

1. variant of sterno- before a vowel.

   sternite.

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stern ¹ British  

/ stɜːn /

adjective

1. showing uncompromising or inflexible resolve; firm, strict, or authoritarian

2. lacking leniency or clemency; harsh or severe

3. relentless; unyielding

   the stern demands of parenthood

4. having an austere or forbidding appearance or nature

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stern ² British  

/ stɜːn /

noun

1. the rear or after part of a vessel, opposite the bow or stem

2. the rear part of any object

3. the tail of certain breeds of dog, such as the foxhound or beagle

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adjective

1. relating to or located at the stern

Stern ³ British  

/ stɜːn /

noun

1. Isaac. 1920–2001, US concert violinist, born in (what is now) Ukraine

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stern Idioms  

1. see from soup to nuts (stem to stern).

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Related Words

Stern, severe, harsh agree in referring to methods, aspects, manners, or facial expressions. Stern implies uncompromising, inflexible firmness, and sometimes a hard, forbidding, or withdrawn aspect or nature: a stern parent. Severe implies strictness, lack of sympathy, and a tendency to impose a hard discipline on others: a severe judge. Harsh suggests a great severity and roughness, and cruel, unfeeling treatment of others: a harsh critic.

Other Word Forms

• sternly
  adverb
• sternness
  noun

Etymology

Origin of stern¹

First recorded before 1000; Middle English; Old English styrne

Origin of stern²

First recorded in 1250–1300; Middle English sterne, probably from Old Norse stjōrn “steering” ( see sternpost)

Explanation

You know when you've done something really wrong, and the person who gets you in trouble has that unforgiving look on his face? The best word for that look is stern, meaning "strict" or "severe." Stern, strict, severe, harsh, unforgiving — they all more or less mean the same thing, which is very tough and exacting, with a little helping of seriousness thrown in for good measure. What does this have to do with the stern of a boat, also known as the rear area? Um, nothing? But it's good to know about that meaning too, since it could come in handy some day when you're giving directions on a ship.

Example Sentences

On Wednesday, the company explained the backstory to its stern new order.

From The Wall Street Journal • May 1, 2026

As Pope Leo arrived, rhythmic music blared from loudspeakers with inmates breaking into song and dance under the stern gaze of prison officers.

From Barron's • Apr. 23, 2026

"Bolivia will provide us with a feel for South American opposition, and will no doubt give us a stern test as they recover from the disappointment of defeat in the World Cup play-offs."

From BBC • Apr. 9, 2026

American presidents have issued stern warnings to the country’s adversaries before.

From Salon • Apr. 8, 2026

Her words were stern, but the expression on her face wasn’t anger.

From "Ophie's Ghosts" by Justina Ireland

Related Words

• flinty
• grim
• hard-nosed
• harsh
• rigid
• steely
• strict
• tough