Certain
Having or feeling no doubt or uncertainty; confident and assured
Synonyms
Antonyms
Examples
Felt certain of success
Was sure (or certain) she had seen it
Certain to occur; destined or inevitable
Synonyms
Also
Antonyms
Examples
He was certain to fail
His fate is certain
In this life nothing is certain but death and taxes
He faced certain death
Exercising or taking care great enough to bring assurance
Reliable in operation or effect
Established irrevocably
Synonyms
Definite but not specified or identified
Similar to
Examples
Set aside a certain sum each week
To a certain degree
Certain breeds do not make good pets
Certain members have not paid their dues
A certain popular teacher
A certain Mrs. Jones
Established beyond doubt or question; definitely known
Antonyms
Examples
What is certain is that every effect must have a cause
It is certain that they were on the bus
His fate is certain
The date for the invasion is certain