Affirmative vs Sure - What's the difference?

affirmative | sure |

As adjectives the difference between affirmative and sure

is that affirmative is pertaining to truth; asserting that something is ; affirming while sure is .

As a noun affirmative

is yes; an answer that shows agreement or acceptance.




(en adjective)
  • pertaining to truth; asserting that something is ; affirming
  • an affirmative answer
  • pertaining to any assertion or active confirmation that favors a particular result
  • positive
  • an affirmative vote
  • Confirmative; ratifying.
  • an act affirmative of common law
  • dogmatic
  • * Berkeley
  • Lysicles was a little disconcerted by the affirmative air of Crito.
  • (logic) Expressing the agreement of the two terms of a proposition.
  • (algebra) positive; not negative
  • Derived terms

    * affirmative action


    (en noun)
  • Yes; an answer that shows agreement or acceptance.
  • That's an affirmative Houston, the space shuttle has lost the secondary thrusters.
    10-4 good buddy. That's an affirmative - the tractor trailer is in the ditch at the side of the highway.
  • (grammatical terminology) An answer that shows agreement or acceptance.
  • (obsolete) An assertion.
  • * 1646 , Sir Thomas Browne, Pseudodoxia Epidemica , III.17:
  • that every hare is both male and female, beside the vulgar opinion, was the affirmative of Archelaus, of Plutarch, Philostratus, and many more.

    See also

    * affirmative sentence ----




  • Physically secure and certain, non-failing, reliable.
  • Certain in one's knowledge or belief.
  • *
  • , title=(The Celebrity), chapter=4 , passage=The Celebrity, by arts unknown, induced Mrs. Judge Short and two other ladies to call at Mohair on an afternoon when Mr. Cooke was trying a trotter on the track. The three returned wondering and charmed with Mrs. Cooke; they were sure she had had no hand in the furnishing of that atrocious house.}}
  • Certain to act or be a specified way.
  • (obsolete) Free from danger; safe; secure.
  • * Shakespeare
  • Fear not; the forest is not three leagues off; / If we recover that we are sure enough.
  • (obsolete) Betrothed; engaged to marry.
  • * Sir T. More
  • The king was sure to Dame Elizabeth Lucy, and her husband before God.
  • * Brome
  • I presume that you had been sure as fast as faith could bind you, man and wife.


    * (secure and steadfast) certain, failsafe, reliable * (sense, steadfast in one's knowledge or belief) certain, positive, wis

    Derived terms

    * for sure * surely * sure up (sure)


    (en adverb)
  • Without doubt.
  • Sure he's coming! Why wouldn't he?
    "Did you kill that bear yourself? ?"I sure did!"

    Usage notes

    * Often proscribed in favor of surely. May be informal.


    (en interjection)
  • (rft-sense) Yes, of course.
  • Synonyms

    * certainly, of course, OK, yes


    * 1996, T.F. Hoad, The Concise Oxford Dictionary of Etymology , Oxford University Press, ISBN 0192830988