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Definition of Certain


  1. Assured in mind; having no doubts; free from suspicions concerning.
  2. Determined; resolved; -- used with an infinitive.
  3. Not to be doubted or denied; established as a fact.
  4. Actually existing; sure to happen; inevitable.
  5. Unfailing; infallible.
  6. Fixed or stated; regular; determinate.
  7. Not specifically named; indeterminate; indefinite; one or some; -- sometimes used independenty as a noun, and meaning certain persons.
  8. Certainty.
  9. A certain number or quantity.
  10. Certainly.

Certain Quotations

Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time.
Thomas A. Edison

Change is the law of life. And those who look only to the past or present are certain to miss the future.
John F. Kennedy

I think probably the reason why I really enjoy acting is that I really am interested in people. I'm interested in what they think, why they think it and what happened in their lives to make them see things a certain way.
Maddie Hasson

As far as the laws of mathematics refer to reality, they are not certain, and as far as they are certain, they do not refer to reality.
Albert Einstein

So long as the memory of certain beloved friends lives in my heart, I shall say that life is good.
Helen Keller
More "Certain" Quotations

Certain Translations

certain in Danish is sikker
certain in Dutch is gewis, zeker, vast, stellig
certain in Finnish is varma
certain in German is sicher
certain in Hungarian is egyes, bizonyos
certain in Italian is sicuramente, sicuro
certain in Latin is liquidus, certus
certain in Norwegian is sikker, viss
certain in Portuguese is certo
certain in Spanish is fijaciono

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