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That is surely the stupidest thing I have ever done.
Surely you realized we were in when you saw the lights on?
Surely she didn't mean it – it was just a thoughtless remark.
"Can you help me carry this box?" "Why, surely."
He's getting married? Surely you can't be serious!
"Will there be any time left at the end for asking questions?" "Surely not."
This is the American English definition of surely. View British English definition of surely.
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English version of definition of surely
the design of buildings or public spaces in a way which discourages people from touching, climbing or sitting on them …
a small European bird with dark feathers, a white breast, and raised feathers on its head. A...
a situation in which a country's armed forces are physically present in an area of conflict …
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American definition of surely from the online English dictionary from Macmillan Publishers Limited.