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Uncertain vs Null - What's the difference?

uncertain | null |

As an adjective uncertain

is not certain; unsure.

As a noun null is

zero, nil; the cardinal number before einn.

uncertain

English

Adjective

(en adjective)
  • Not certain; unsure.
  • *(John Tillotson) (1630-1694)
  • *:Man, without the protection of a superior Being,is uncertain of everything that he hopes for.
  • Not known for certain; questionable.
  • :
  • Not yet determined; undecided.
  • Variable and subject to change.
  • Fitful or unsteady.
  • *
  • *:Turning back, then, toward the basement staircase, she began to grope her way through blinding darkness, but had taken only a few uncertain steps when, of a sudden, she stopped short and for a little stood like a stricken thing, quite motionless save that she quaked to her very marrow in the grasp of a great and enervating fear.
  • Unpredictable or capricious.
  • *Sir (Walter Scott) (1771-1832)
  • *:O woman! in our hours of ease, / Uncertain , coy, and hard to please!
  • Antonyms

    * certain

    Anagrams

    * *

    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 ----