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English definition of “deleterious”


adjective     /ˌdel.ɪˈtɪə.ri.əs/ US  /-ˈtɪr.i-/ formal
harmful: These drugs have a proven deleterious effect on the nervous system.Dangerous and harmfulSerious and unpleasantNot attractive to look atInformal words for bad deleteriously     /-li/ adverb
(Definition of deleterious adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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Translations of “deleterious”

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