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English definition of “perilous”

perilous

adjective     /ˈper.əl.əs/ formal
extremely dangerous: The country roads are quite perilous.Dangers and threats perilously     /-li/ adverb She came perilously close to getting herself killed in her attempt to break the world record.Dangers and threats
(Definition of perilous adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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