1.Assured in mind; having no doubts; free from suspicions concerning. "To make her certain of the sad event." "I myself am certain of you."
2.Determined; resolved; used with an infinitive. "However, I with thee have fixed my lot, Certain to undergo like doom."
3.Not to be doubted or denied; established as a fact. "The dream is certain, and the interpretation thereof sure."
4.Actually existing; sure to happen; inevitable. "Virtue that directs our ways Through certain dangers to uncertain praise." "Death, as the Psalmist saith, is certain to all."
5.Unfailing; infallible. "I have often wished that I knew as certain a remedy for any other distemper."
6.Fixed or stated; regular; determinate. "The people go out and gather a certain rate every day."
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." "About everything he wrote there was a certain natural grace und decorum."