Dictionary.com
Thesaurus.com
Synonyms

surely

American  
[shoor-lee, shur-] / ˈʃʊər li, ˈʃɜr- /

adverb

  1. firmly; unerringly; without missing, slipping, etc.

  2. undoubtedly, assuredly, or certainly.

    The results are surely encouraging.

  3. (in emphatic utterances that are not necessarily sustained by fact) assuredly.

    Surely you are mistaken.

  4. inevitably or without fail.

    Slowly but surely the end approached.

  5. yes, indeed.

    Surely, I'll go with you!


surely British  
/ ˈʃɔː-, ˈʃʊəlɪ /

adverb

  1. without doubt; assuredly

    things could surely not have been worse

  2. without fail; inexorably (esp in the phrase slowly but surely )

  3. (sentence modifier) am I not right in thinking that?; I am sure that

    surely you don't mean it?

  4. rare in a sure manner

  5. archaic safely; securely

  6. (sentence substitute) willingly; of course; yes

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Commonly Confused

See sure.

Etymology

Origin of surely

First recorded in 1300–50, surely is from the Middle English word surliche. See sure, -ly

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Keaton’s longtime pal Mr. Allen would surely be amused by the woman who says she imagines God to be like Groucho Marx.

From The Wall Street Journal

But it was work, and work grounds you in life, as surely as roots ground a plant in the earth.

From The Wall Street Journal

This time Josh Hazlewood was set to miss the opening weeks but now he has been ruled out entirely, they surely have little chance.

From BBC

With it came the sense that surely these rodents had no purpose other than to provide a dragon's dinner.

From Literature

"If the two sides work in the same direction in the spirit of equality, respect and mutual benefit, we can surely find ways to address each other's concerns," he said.

From BBC