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Definitions

sure

[shoor, shur] / ʃʊər, ʃɜr /






Usage

What are other ways to say sure? Sure, the simplest and most general of a group of adjectives indicating full belief and trust that something is true, expresses the mere absence of doubt. Certain suggests that there are definite reasons that have freed one from doubt. Confident emphasizes the strength of the belief or the certainty of expectation felt. Positive implies emphatic certainty, which may even become overconfidence or dogmatism. 

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.

See Examples For:

The plaintiffs suffered another setback last week when two expert witnesses in court said they couldn’t say for sure that talc caused ovarian cancer.

From The Wall Street Journal Jul. 28, 2026

Kelmar also suggested making sure that the healthcare provider will zero out your balance after receiving a negotiated amount.

From MarketWatch Jul. 28, 2026

Holding an umbrella to protect herself from the sun, she heads there early in the morning to make sure she is first in line.

From Los Angeles Times Jul. 28, 2026

He says he has kept fighting because he considers it his duty to make sure the Bill of Rights “actually means something.”

From Slate Jul. 28, 2026

But I’m not sure that’s allowed here in Davey, Texas.

From "Split the Sky" by Marie Arnold

February’s “Hoppers” managed a respectable $372 million worldwide, but the surer money now comes from sequels.

From Los Angeles Times Jun. 18, 2026

Round after round, the Hurricanes have knocked off teams that seemed surer bets to make the championship.

From The Wall Street Journal Jan. 9, 2026

If they even had a sliver of doubt before the Munich showdown against PSG they will be even surer now.

From BBC May 31, 2025

That is, provided that person doesn't simply resort to a surer thing.

From Salon Dec. 6, 2024

All of this delighted Papa, filled him with pride for his son who had returned a larger man, with a surer sense of himself and of where we all had come from.

From "Farewell to Manzanar" by Jeanne Houston

And he became a target for parodists, the surest sign of fame.

From Los Angeles Times Jun. 23, 2026

That’s high-risk, but it is the surest way of removing the fuel for a nuclear weapon.

From The Wall Street Journal Jun. 10, 2026

It’s the surest way for a bad team to sow seeds for a better future.

From The Wall Street Journal Mar. 1, 2026

The surest sign of market dislocation is when banks start quantifying their exposure to a given issue.

From MarketWatch Feb. 24, 2026

He somehow lost or abandoned his surest and quickest means of escape from the city: the one-eyed horse Booth had bought.

From "Chasing Lincoln's Killer" by James L. Swanson




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