noxious definition, meaning - what is noxious in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

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English definition of “noxious”

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noxious

adjective uk   /ˈnɒk.ʃəs/  us   /ˈnɑːk-/ formal
Something, especially a gas or other substance, that is noxious is poisonous or very harmful: They died from inhaling noxious fumes. harmful and unpleasant: a noxious smell/influence
(Definition of noxious from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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