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worrying

adjective
wor·​ry·​ing | \ˈwər-ē-iŋ, ˈwə-rē-\

Definition of worrying 

: causing worry : creating reason for worry : troubling a worrying trend/development a worrying question The presence of the knife on the stage of the murder was a worrying circumstance for Wilson.— Mark Twain

Other Words from worrying

worryingly adverb
When the secretary returned, she handed us an envelope that looked worryingly official … — Caroline Alexander … money held by households has risen at a worryingly slow rate over the past year … — The Economist

First Known Use of worrying

1817, in the meaning defined above

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The first known use of worrying was in 1817

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More from Merriam-Webster on worrying

Spanish Central: Translation of worrying

Nglish: Translation of worrying for Spanish Speakers

Britannica English: Translation of worrying for Arabic Speakers

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