deleterious wiki:
eterious del-uh-TIR-ee-us, adjective: Harmful; destructive; pernicious. Heat, especially year-round heat, has an even more deleterious consequence: it encourages the proliferation of life forms hostile to man. --David S. Landes, The Wealth and Poverty of NationsHikers can minimize the deleterious effects of high altitudes by spending two days acclimatizing themselves at spots around 8,000 feet. --Nancy Stedman, "The Good and Bad of Sun Exposure," New York Times, May 4 1999
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