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exertion

American  
[ig-zur-shuhn] / ɪgˈzɜr ʃən /

noun

  1. vigorous action or effort.

    physical and mental exertion.

    Synonyms:
    strain, activity, attempt, struggle, endeavor
  2. an effort.

    a great exertion to help others.

  3. exercise, as of power or faculties.

  4. an instance of this.


Related Words

See effort.

Other Word Forms

Etymology

Origin of exertion

First recorded in 1660–70; exert + -ion

Explanation

Exertion is effort. Exercise requires physical exertion. Listening to great jazz requires mental exertion. What kind of exertion does jazzercise require? Perhaps too much. Ex– means out. Exertion means energy is coming out — so much so that when you’re done, you may feel exhausted. The opposite of ex- is in-, as in inertia — something you need exertion to overcome.

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Vocabulary lists containing exertion

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The Los Angeles County medical examiner said the cause of death stemmed from the combined effects of physical exertion, environmental heat exposure, blunt trauma and COVID-19 infection.

From Los Angeles Times • Apr. 6, 2026

Between the travel and the exertion, I was incredibly fatigued.

From The Wall Street Journal • Mar. 1, 2026

"My body has lost the ability to recover from exertion," he says.

From BBC • Feb. 1, 2026

The trackers can help monitor physical exertion, stress levels and heart rate.

From Barron's • Jan. 27, 2026

With all that exertion, he’d worked up quite the thirst.

From "The Undead Fox of Deadwood Forest" by Aubrey Hartman

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