heroism

noun

her·​o·​ism ˈher-ə-ˌwi-zəm 

ˈhe-rə-

also ˈhir-

1

: heroic conduct especially as exhibited in fulfilling a high purpose or attaining a noble end

2

: the qualities of a hero

Synonyms of heroism

• courage
• bravery
• gallantry
• courageousness
• prowess
• valor

Examples of heroism in a Sentence

women who showed heroism by fighting for their right to vote

the inspiring heroism of the firefighters who risked their lives to save the people trapped in the burning building

Recent Examples on the Web

Kilduff, who was a third-generation firefighter and a Marine, has been remembered both for his heroism and his commitment to his family. —Colleen Cronin, Boston Herald, 26 May 2026

Thanks to his heroism, all five people in that house made it out alive. —Penny Kmitt, CBS News, 26 May 2026

The good-versus-evil, sci-fi fantasy that Lucas wove into his original film gave audiences a common cultural language for discussing individuality, survival, and heroism at a pivotal point in history. —Alison Foreman, IndieWire, 23 May 2026

He will be lauded for his heroism this weekend in Cooperstown, but will not revel in it. —Tyler Kepner, New York Times, 22 May 2026

Word History

First Known Use

1672, in the meaning defined at sense 1

Rhymes for heroism

• ism
• prism
• schism
• abolitionism
• aldosteronism
• americanism
• anticommunism
• antisemitism
• antiterrorism
• bioterrorism
• colloquialism
• colonialism

Kids Definition

heroism

noun

her·​o·​ism ˈher-ə-ˌwiz-əm 

also ˈhir-

: heroic conduct or qualities