certain: meaning and definitions

Definite; fixed: set aside a certain sum each week.

Sure to come or happen; inevitable: certain success.

Established beyond doubt or question; indisputable: What is certain is that every effect must have a cause.

Capable of being relied on; dependable: a quick and certain remedy.

Having or showing confidence; assured.

Not specified or identified but assumed to be known: felt that certain breeds did not make good pets.

Named but not known or previously mentioned: a certain Ms. Johnson.

Perceptible; noticeable: a certain charm; a certain air of mystery.

Not great; calculable: to a certain degree; a certain delay in the schedule.

An indefinite but limited number; some: Certain of the products are faulty.

for certain Without doubt; definitely.