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

If the steam shower doesn’t cure your jet lag, a color-therapy session in the soaking tub surely will. —Condé Nast, Condé Nast Traveler, 7 Mar. 2026

The animatronic, says Storer, was an important investment for the park, as Legoland in Lego Galaxy was cognizant of guests becoming bored in what will surely be one of the park’s longest lines this upcoming spring and summer season. —Todd Martens, Los Angeles Times, 6 Mar. 2026

But the 49ers and Morris covet variety, and surely familiarity. —Cam Inman, Mercury News, 6 Mar. 2026

And while real ones surely know that Malone has been making music for nearly two decades, her latest effort seems poised to introduce her to a brand-new fanbase. —Kate Erbland, IndieWire, 6 Mar. 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