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Synonyms

foolhardy

American  
[fool-hahr-dee] / ˈfulˌhɑr di /

adjective

foolhardier, foolhardiest
  1. recklessly or thoughtlessly bold; foolishly rash or venturesome.

    Synonyms:
    incautious, heedless, headlong, impetuous

foolhardy British  
/ ˈfuːlˌhɑːdɪ /

adjective

  1. heedlessly rash or adventurous

"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

Other Word Forms

  • foolhardily adverb
  • foolhardiness noun

Etymology

Origin of foolhardy

1175–1225; Middle English folhardy < Old French fol hardi. See fool 1, hardy 1

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.

“If anyone wants to keep their job as CEO, it would be tremendously foolhardy to adopt a homegrown, vibe-coded solution,” Meyer said, referring to the process of creating software via AI text prompts.

From The Wall Street Journal • Mar. 4, 2026

The number of people who applied for unemployment benefits after Thanksgiving jumped to a three-month high, but it’s foolhardy to judge the overall health of the labor market on holiday seasons.

From MarketWatch • Dec. 15, 2025

When Newby announced that he was running for a seat on North Carolina’s Supreme Court in the 2004 election, it seemed like a foolhardy choice.

From Salon • Oct. 31, 2025

At noon, before government had heard back from Lord Mandelson, the prime minister gave a staunch public defence of him in a move that now looks foolhardy.

From BBC • Sep. 13, 2025

The sidewalks were crowded with people; the foolhardy and curious stood in clumps watching the advancing flames, while others hurried along to escape them.

From "The Great Fire" by Jim Murphy