foolhardy

US /ˈfuːlˌhɑːr.di/
UK /ˈfuːlˌhɑːr.di/
"foolhardy" picture
1.

recklessly bold or rash

:
•
It was foolhardy to climb the mountain without proper equipment.
•
His foolhardy decision led to serious consequences.
:
recklessrashadventurousdaringaudacious
:
cautiousprudentsensiblewise