certainty

word

/ˈsɝtənti/
SUR-tuhn-tee
/sˈɜːtənti/
SUR-tuhn-tee

Definition

A feeling or fact of being completely sure about something, with no doubt. It can refer to confidence that something is true or will happen.

Usage & Nuances

Mostly used in formal or neutral contexts. Common collocations: 'with certainty,' 'moral certainty,' 'degree of certainty.' Not interchangeable with 'security' (safety), and not the same as 'certainty' in mathematics, where it means 100% probability.

Example Sentences

He answered with certainty and confidence.

basic

One thing is a certainty: change is always coming.

natural

There is no certainty that it will rain tomorrow.

basic

Scientists want more certainty before making a decision.

basic

You can't say with certainty what will happen next year.

natural

Her voice had a tone of certainty that convinced everyone.

natural