Word of the DayWednesday, May 24, 2000
\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 Nations
Hikers 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
Deleterious is derived from Greek deleterios, from deleisthai, "to hurt, to damage."
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