Definitions
deleterious Tweet Definition of deleterious Like Definition of deleterious on Facebook
adjective 
  1. harmful or hurtful, to physical, mental or moral health.
a chemical
  • 1850, w:Nathaniel Hawthorne, Nathaniel Hawthorne, s:The Scarlet Letter/XV, The Scarlet Letter - Chapter XV,
  • : Or might it suffice him, that every wholesome growth should be converted into something and malignant at his touch?
  • Etymology: From Ancient Greek "deleterios", from , "to hurt, to damage."


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