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English definition of “frightening”

frightening

adjective uk   /ˈfraɪ.tən.ɪŋ/ us  
B1 making you feel fear: a frightening thought a frightening film It is frightening to think what might happen if she left him.
frighteningly
adverb uk   /-li/ us  
She looked frighteningly thin.
(Definition of frightening from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of frightening?
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