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sure (s̸ho̵or)

adjective surer sur′er, surest sur′·est

  1. Obsolete secure or safe
  2. that will not fail; always effective: a sure method
  3. that can be relied upon; trustworthy: a sure friend
  4. that cannot be doubted, questioned, or disputed; absolutely true; certain
  5. having or showing no doubt; positive; confident: to be sure of one's facts
  6. that can be counted on to be or happen: a sure defeat
  7. bound or destined to do, experience, or be something specified: sure to be elected
  8. never missing; unerring: a sure aim

Origin: OFr seur < L securus: see secure

adverb surer sur′er, surest sur′·est

  1. surely; inevitably
  2. certainly; indeed: an intensive, often used as an affirmative answer to questions

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sure (sho͝or, shûr)

adjective surer sur·er, surest sur·est
  1. Impossible to doubt or dispute; certain.
  2. Not hesitating or wavering; firm: sure convictions.
  3. Confident, as of something awaited or expected: sure of ultimate victory.
  4. a. Bound to come about or happen; inevitable: sure defeat.
    b. Having one's course directed; destined or bound: sure to succeed.
  5. Certain not to miss or err; steady: a sure hand on the throttle.
  6. a. Worthy of being trusted or depended on; reliable.
    b. Free from or marked by freedom from doubt: sure of her friends.
  7. Careful to do something: asked me to be sure to turn off the stove.
  8. Obsolete Free from harm or danger; safe.
adverb
Informal
Surely; certainly.

Origin: Middle English, from Old French, safe, from Latin sēcūrus; see secure .

Related Forms: