Webster’s Revised Unabridged Dictionary · 1913
Temerarious
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.