What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.

Sure vs Null - What's the difference?

sure | null |

As an adjective sure

is .

As a noun null is

zero, nil; the cardinal number before einn.

sure

English

Adjective

(er)
  • 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.

    Synonyms

    * (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)

    Adverb

    (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.

    Interjection

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

    * certainly, of course, OK, yes

    References

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

    Statistics

    *

    null

    English

    Noun

    (en noun)
  • A non-existent or empty value or set of values.
  • Zero]] quantity of [[expression, expressions; nothing.
  • (Francis Bacon)
  • Something that has no force or meaning.
  • (computing) the ASCII or Unicode character (), represented by a zero value, that indicates no character and is sometimes used as a string terminator.
  • (computing) the attribute of an entity that has no valid value.
  • Since no date of birth was entered for the patient, his age is null .
  • One of the beads in nulled work.
  • (statistics) null hypothesis
  • Adjective

    (en adjective)
  • Having no validity, "null and void"
  • insignificant
  • * 1924 , Marcel Proust, Within a Budding Grove :
  • In proportion as we descend the social scale our snobbishness fastens on to mere nothings which are perhaps no more null than the distinctions observed by the aristocracy, but, being more obscure, more peculiar to the individual, take us more by surprise.
  • absent or non-existent
  • (mathematics) of the null set
  • (mathematics) of or comprising a value of precisely zero
  • (genetics, of a mutation) causing a complete loss of gene function, amorphic.
  • Derived terms

    * nullity

    Verb

    (en verb)
  • to nullify; to annul
  • (Milton)

    See also

    * nil ----