• (RP) IPA: /ˈfuːlhɑːdi/
• (GA) IPA: /ˈfulˌhɑɹdi/

foolhardy (comparative foolhardier, superlative foolhardiest)

1. mark#Verb|Marked by unthinking recklessness with disregard for danger; boldly rash; hotheaded.
   • 1876, Mark Twain [pseudonym; Samuel Langhorne Clemens], chapter VI, in The Adventures of Tom Sawyer, Hartford, Conn.: The American Publishing Company, OCLC 1000326417 ↗, page 68 ↗:

     The master's pulse stood still, and he stared helplessly. The buzz of study ceased. The pupils wondered if this fool-hardy boy had lost his mind.

• bold
• daring
• foolish
• irresponsible
• rash
• reckless

• French: tête brûlée
• German: töricht, tollkühn, vermessen, verwegen, ungestüm, hitzköpfig, dummdreist, waghalsig
• Italian: avventato, spericolato, imprudente, dissennato
• Russian: безрассу́дно хра́брый
• Spanish: temerario