Having a harmful effect, especially in a gradual or subtle way; destructive.
"The pernicious influence of social media on young minds is a growing concern."
Describing subtle but serious harm
"This is harmful behavior"
"This is pernicious behavior"
Demonstrates sophisticated understanding of harm
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Present everywhere; widespread and commonplace.
Occurring or discovered by chance in a happy or beneficial way.
Sweet or musical; pleasant to hear; flowing like honey.
Having a ready insight into and understanding of things; shrewd.
Too great or extreme to be expressed or described in words.
Having or showing keen mental discernment and good judgment; wise.
