deleterious

Part of speech: noun

Deleteriousness.

Part of speech: adjective

Hurtful; injurious; pernicious.

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Usage examples "deleterious":

  1. Besides green- vitriol, it is possible that certain organic salts of iron, may be deleterious. - "Peat and its Uses as Fertilizer and Fuel", Samuel William Johnson.
  2. The horn is often exposed to the vicious influences of unsuitable litter, the application of unsuitable dressings, and the deleterious effects of the street mud of our cities. - "Diseases of the Horse's Foot", Harry Caulton Reeks.
  3. But the effect on the nerves was deleterious. - "The Old Wives' Tale", Arnold Bennett.