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Another word for certain

a-z
Adjective
  1. In a definite and final form; not likely to change

    See also:

    change

  2. Known positively

    See also:

    certain

  3. Such as could not possibly fail or disappoint

    See also:

    certain

Another word for certain

Synonym Study

  • Positive suggests unshakable confidence, esp. in the correctness of one's opinions or conclusions, sometimes to the point of dogmatism he's too positive in his beliefs
  • Confident stresses the firmness of one's certainty or sureness, esp. in some expectation she's confident she'll win
  • Sure suggests merely an absence of doubt or hesitancy I'm sure you don't mean it
  • Certain usually suggests conviction based on specific grounds or evidence this letter makes me certain of his innocence