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750 words
P/SAT / ACT Program

pernicious

[per-nish-uhs] [pərˈnɪʃəs]
adjective
  • causing great harm; destructive
  • tending to cause death or serious injury; deadly
  • "In the darkness, the disk began to glow with a faint blue light, and the big screen lit up, promising to be filled any moment with pernicious entertainment."