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Language Research - Words
alarming · adjective /əˈlɑr.miŋ/Full view
alarming
C1 causing worry or fear
Dictionary examples:

alarming news

Family owned farms have been disappearing at an alarming rate.

Learner example:

Moreover, the alarming frequency of heart attacks in Poland [has] made people stop eating too much fat. (Certificate in Advanced English; C1; Polish)

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