Certainty

to express strongly and confidently that something is undoubtedly true or will certainly happen

She would bet her life that her best friend would keep her secret.

used when one can claim that something is true with all one's certainty

The evidence against the accused was so overwhelming that the jury found him guilty beyond a shadow of a doubt.

used to show one's utmost certainty about something

I'd bet dollars to doughnuts that the experienced team will win the tournament.

to give something valuable, like family traditions, skills, or items, from one generation to the next

He decided to hand down his grandfather's antique pocket watch to his son.

used to say that something is so obvious that there is no need for further explanation

And it went without saying that nobody in his building would miss him.

used when one is certain that something will happen at some point in the future

I've never seen a more talented athlete; mark my word, she'll be an Olympic champion someday.

denoting something that has been tested many times and proved to be reliable or effective

A good source of tried and true tips on how to cope with the various aspects of the illness.

a way of proving the validity of a claim or determining the success rate of a plan

The final presentation will be the acid test of their teamwork and preparation.

a feeling of remorse, and reservation that one gets upon facing a challenge or finding oneself in an unexpected situation

After graduating from college, she paused to take a backward glance at her academic journey and the challenges she had overcome.

to believe something strongly, even though one cannot explain why

When she first set foot in the new city, she knew in her bones that it was the right place for her to start a new chapter in life.

something that is assumed to be true or already decided upon before any evidence or arguments are presented

With their impressive lead going into the final inning, it was a foregone conclusion that the home team would win the game.

in a way that is most clear or direct

She was told in no uncertain terms that the magazine had no interest in her short stories.

a ticket that can be used for travelling to a place but cannot be used for coming back from that place

He bought a one-way ticket to New York to start his new job.

to certainly happen at some point in the future

With the team's talent and dedication, it's a matter of time before they win the championship.

used to imply that something is reliable, certain, and can be trusted completely

When he gives his word, you can take it to the bank; he always keeps his promises.