Tĕm'e-rā'ri-oŭs, a.

a. [Lat. temerarius, from temere, by chance, rashly, It. & Sp. temerario, Fr. téméraire.] Unreasonably adventurous; despising danger; rash; headstrong; careless; heedless. [Obs.] I spoke against temerarious judgment. Latimer.