As nouns the difference between foolishness and foolhardiness
is that foolishness is the state of being foolish while foolhardiness is the quality of being foolhardy.
foolishness
Noun
(uncountable) The state of being foolish.
(countable) A thing or event that is foolish, or an absurdity.
Synonyms
* imprudence, folly
* extravagance, irresponsibility
* indiscretion, absurdity
* ridiculousness
* stupidity
Antonyms
* wisdom
Related terms
* fool
foolhardiness
English
Noun
(en-noun)
The quality of being foolhardy.