Certain

/ˈsɜːrtn/

Meaning & Definition

noun

A particular thing or person that is certain.

In the world of mathematics, he is considered a certain.

adjective

Known for sure; established beyond doubt.

I am certain that I left my keys on the table.

Inevitable or unavoidable; sure to happen.

If you keep missing deadlines, a certain consequence will follow.

Particular but not explicitly named or described.

There is a certain charm to her personality that draws people in.

Middle English, from Old French 'certain', from Latin 'certus', meaning 'sure'.

for certain

Without a doubt; definitely.

a certain amount

A specified but unknown quantity.

certainly not

Expressing strong denial or refusal.

certainty

The state of being sure of something.

certainly

Undoubtedly; certainly without question.

certitude

Absolute certainty or conviction that something is the case.

For sure.

I'll be there, certain of it!

Absolutely.

That's certain fire to win this match!