sure thing

noun

1. something that is or is supposed to be a certain success, as a bet or a business venture:

   He thinks that real estate is a sure thing.

2. something assured; certainty:

   It's a sure thing that he'll refuse to cooperate.

interjection

1. surely; for sure; O.K.

sure thing

adverb

1. sentence substitute all right! yes indeed! used to express enthusiastic assent

noun

1. something guaranteed to be successful

Word History and Origins

Origin of sure thing¹

An Americanism dating back to 1830–40

Example Sentences

Capitol, the former president seemed like anything but a sure thing to rise again.

From Los Angeles Times

One poll does not an election make, nor is a blue Iowa anything like a sure thing.

From Salon

At the time, leaving a sure thing like “The Daily Show” seemed like a risk.

From Salon

Macpherson said she “came to the understanding that there was no sure thing and absolutely no guarantees. There was no ‘right’ way, just the right way for me.”

From Los Angeles Times

We want to make sure things change because this will happen again.

From BBC