Linda Colley

From the American Revolution right up to the Second World War, the U.S. was more likely to provoke suspicion among members of the British establishment than deferential approval. It was seen - with good cause - not just as a potential rival for empire, but also as dangerously egalitarian, worryingly innovatory, and excessively democratic.

British Historian

Bill Browder

And most worryingly, it wouldn't surprise me if Putin ends up starting a major military conflict with the West at some point in the future to save his own skin as head of state in Russia.

American Activist

Crispin Blunt

Large numbers have been punished on the basis of a broad and vague definition of terrorism and a worryingly low threshold of evidence.

Use 'worryingly' to imply a situation is negative and could have bad outcomes.

Negative Implication

'Worryingly' subtly warns that attention should be paid to a particular issue or trend.

Subtle Warning

Use when something negative is surprising or not as one would normally expect.

Unexpected Issues

 lazy teenager so far no one has seen him eat any forest fruit and rather worryingly he seems to think the pebble beach is made of coconuts

Incredible Orangutan...

 hit by one of those strokes that sucks the life from one side, while leaving the other worryingly perfect.