exitious
/ɪɡˈzɪʃəs/ /ɛɡˈzɪʃəs/ /ɪkˈsɪʃəs/Now rare
adjective
= exitial.
Origin
Mid 16th century; earliest use found in Christopher Langton (1521–1578), physician. From classical Latin exitiōsus causing death or destruction, deadly from exitium + -ōsus.