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Synonyms

heroism

American  
[her-oh-iz-uhm] / ˈhɛr oʊˌɪz əm /

noun

  1. the qualities or attributes of a hero or heroine.

    He showed great heroism in battle.

    Synonyms:
    fortitude, daring, courage, bravery, gallantry, prowess, valor, intrepidity
    Antonyms:
    timidity, cowardice
  2. heroic conduct; courageous action.

    Pat's returning into the burning building was true heroism.


heroism British  
/ ˈhɛrəʊˌɪzəm /

noun

  1. the state or quality of being a hero

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of heroism

1660–70; hero + -ism; compare French héroïsme

Explanation

When you think of heroism, you might think of great acts of bravery, such as rushing into burning buildings and facing danger in battle. Heroism consists of putting others first, even at your own peril. The noun heroism comes from the Greek hērōs, which referred to a demigod. As someone who shows great courage and valor is referred to as a hero, their actions are considered to be acts of heroism. 19th Century lawyer Robert Green Ingersoll said it well: “When the will defies fear, when duty throws the gauntlet down to fate, when honor scorns to compromise with death — that is heroism.”

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Vocabulary lists containing heroism

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.

"I cannot wait" to bring "her fight, her love, her losses, her talent and her heroism to the big screen," the Grammy winner added.

From Barron's • May 12, 2026

In a post on Telegram on Tuesday morning, Kondratiev said firefighters and other rescuers were working in "extremely difficult conditions", and he described their efforts as "true heroism".

From BBC • Apr. 28, 2026

Three series from Jerry Bruckheimer Television currently fill CBS’s prime time schedule on Fridays: “Fire Country,” a drama about wildfire crews in California, that mixes working-class heroism with a dose of outlaw culture.

From The Wall Street Journal • Mar. 7, 2026

Extremely online observers came up with bizarre metaphors to characterize Anthropic’s heroism and pushed Claude to the top of the app-store charts over the weekend.

From Slate • Mar. 3, 2026

"No amount of heroism or discipline by an Inka army,” Hemming wrote, "could match the military superiority of the Spaniards.”

From "1491" by Charles C. Mann

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