Cer"tain (?), a. [F. certain, fr. (assumed) LL. certanus, fr. L. certus determined, fixed, certain, orig. p. p. of cernere to perceive, decide, determine; akin to Gr. ? to decide, separate, and to E. concern, critic, crime, riddle a sieve, rinse, v.]

1. Assured in mind; having no doubts; free from suspicions concerning.

To make her certain of the sad event. Dryden.

I myself am certain of you. Wyclif.

2. Determined; resolved; -- used with an infinitive.

However, I with thee have fixed my lot,Certain to undergo like doom. Milton.

3. Not to be doubted or denied; established as a fact.

The dream is certain, and the interpretation thereof sure. Dan. ii. 45.

4. Actually existing; sure to happen; inevitable.

Virtue that directs our ways Through certain dangers to uncertain praise. Dryden.

Death, as the Psalmist saith, is certain to all. Shak.

5. Unfailing; infallible.

I have often wished that I knew as certain a remedy for any other distemper. Mead.

6. Fixed or stated; regular; determinate.

The people go out and gather a certain rate every day. Ex. xvi. 4.

7. Not specifically named; indeterminate; indefinite; one or some; -- sometimes used independenty as a noun, and meaning certain persons.

It came to pass when he was in a certain city. Luke. v. 12.

About everything he wrote there was a certain natural grace und decorum. Macaulay.

For certain, assuredly. -- Of a certain, certainly.

Syn. -- Bound; sure; true; undeniable; unquestionable; undoubted; plain; indubitable; indisputable; incontrovertible; unhesitating; undoubting; fixed; stated.

Cer"tain , adv.Certainly. [Obs.] Milton.

Cer"tain , n.

1.Certainty. [Obs.] Gower.

2. A certain number or quantity. [Obs.] Chaucer.

-- Webster's unabridged 1913