Unwisely bold or venturesome; rash. See Synonyms at reckless.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "foolhardy" in a sentence
"Perhaps the only thing more foolhardy is expecting to diminish interest in a game by publicly protesting it."
"His experiment with the kite was the best in foolhardy empirical research."
"He wrote "a poem of the world," fell in love with an actress older than himself, became known as foolhardy for his wild escapades, and only slowly sobered down."