PERNICIOUS as ADJECTIVE

1. Meaning
   • working or spreading in a hidden and usually injurious way
   Synonym(s)
   • insidious (what does insidious mean?)
   • subtle (what does subtle mean?)
   Usage Example(s)
   • glaucoma is an insidious disease
   • a subtle poison
   Similar To
   • harmful (what does harmful mean?)
2. Meaning
   • exceedingly harmful
   Synonym(s)
   • baneful (what does baneful mean?)
   • deadly (what does deadly mean?)
   • pestilent (what does pestilent mean?)
   Similar To
   • noxious (what does noxious mean?)
   • harmful (what does harmful mean?)