Pes-tĭf'er-ous, a.
a. [Lat. pestiferus and pestifer, from pestis, pest, and ferre, to bear; It. & Sp. pestifero, Fr. pestifère, Pr. pestiferat.]
Sense 1. Pest-bearing; pestilential; noxious to health; malignant; infectious; contagious. “The most unwholesome and pestiferous occupations.” Burke.
“I was environed with multitudes of poor, pestiferous creatures begging alms.” Evelyn.
Sense 2. Noxious to peace, to morals, or to society; mischievous; destructive; troublesome; vexatious.