In a manner that causes extremely serious damage, destruction, or emotional harm; with overwhelming intensity or effect.
From devastate + -ingly (adverb-forming suffix). The -ing participle form combined with -ly creates an adverbial modifier indicating the manner of devastating action.
When we use 'devastatingly' for something beautiful ('devastatingly handsome') instead of destructive, we're revealing how our brains treat extreme beauty and extreme destruction as similar forces—both overwhelming and irresistible!
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