Pernicious (adj)
pur-nish-us
Deadly; destructive; exceedingly harmful.
Pernicious entered English around 1515–25. and comes from the Latin word perniciōsus, meaning “ruinous.”
Example sentences
“The beast was known for its pernicious nature!”
Word of the Day - Semiquincentennial (noun) se-mee-kwin-sen-tee-nee-al
