surely

adverb

sure·​ly ˈshu̇r-lē 

ˈshər-

especially Southern ˈshȯr-

1

: in a sure manner:

a

archaic : without danger or risk of injury or loss : safely

b(1)

: with assurance : confidently

answered quickly and surely

(2)

: without doubt : certainly

They will surely be heard from in the future.

—R. J. Lifton

2

: indeed, really

—often used as an intensive

you surely don't believe that

Sure vs. Surely: Usage Guide

Sure and surely are both used as simple intensives. Sure is informal and typically used when the speaker or writer expects to be agreed with.

She sure knew how to make me laugh.

That sure was fun.

Surely can occur in formal contexts and is used whether or not agreement is expected.

Surely you jest.

It is often applied when someone is making an effort to persuade.

a book surely worth anyone's time

Synonyms of surely

• certainly
• definitely
• sure
• clearly
• probably

Examples of surely in a Sentence

She answered quickly and surely.

He will surely be missed.

This is surely the best dessert you have ever made.

Surely you must admit that it was a good decision.

Recent Examples on the Web

Havertz is Julian Nagelsmann’s first-choice forward and, if fit, will surely start as part of a front three with Florian Wirtz and Jamal Musiala at the World Cup. —Sebastian Stafford-Bloor, New York Times, 27 Apr. 2026

Prying him away from the desert would surely take a massive offer, and Diamondbacks boss Mike Hazen likely wouldn’t bite unless Mayer was included in the deal, or if not him then one or more of the club’s top young pitchers. —Mac Cerullo, Boston Herald, 26 Apr. 2026

Their struggle has upturned the tabletop candle that illuminates the scene and any moment will surely extinguish it, effacing the giddy pattern formed by the writhing bodies and glowing, veiny bladder skin. —Julian Bell, The New York Review of Books, 25 Apr. 2026

This isn’t the first artistic exploration of the complicated music figure, and surely, will not be the last. —Clayton Davis, Variety, 25 Apr. 2026

Word History

First Known Use

14th century, in the meaning defined at sense 1

Phrases Containing surely

• slowly but surely

Rhymes for surely

• demurely
• maturely
• obscurely
• securely
• insecurely
• prematurely
• purely

Kids Definition

surely

adverb

sure·​ly ˈshu̇(ə)r-lē 

1

a

: with confidence

answered quickly and surely

b

: without doubt : certainly

they will surely be heard from again

2

: beyond question : truly

I surely am tired this afternoon