Webster’s Revised Unabridged Dictionary · 1913 Foolhardy Fool′har′dy (·dy̆), a. [OF. folhardi. See Fool idiot, and Hardy.] Daring without judgment; foolishly adventurous and bold. Howell. Syn. — Rash; venturesome; venturous; precipitate; reckless; headlong; incautious. See Rash. ‹ Foolhardise Foolify ›