A word I never saw before, but easy to understand.
"What might not be behind those green panels! Gamesters at play; cunning rogues baiting their traps with subtle skill; beauty in love with courage, and thus planning to be sought by it; danger, death, love, disappointment, ridicule--any of these might respond to that temerarious rap."

Webster's 1913 Dictionary

Definition: \Tem`er*a"ri*ous\, a. [L. temerarius. See
{Temerity}.]
Unreasonably adventurous; despising danger; rash; headstrong;
audacious; reckless; heedless. -- {Tem`er*a"ri*ous*ly}, adv.

I spake against temerarious judgment. --Latimer.