English Explanatory Dictionary

null

English dictionary entry

Meanings

noun
  1. A non-existent or empty value or set of values.
  2. Zero quantity of expressions; nothing.
  3. Something that has no force or meaning.
  4. The null character; the ASCII or Unicode character (␀), represented by a zero value, which indicates no character and is sometimes used as a string terminator.
  5. The attribute of an entity that has no valid value.
  6. One of the beads in nulled work.
  7. The null hypothesis.
adj
  1. Having no validity; "null and void".
  2. Insignificant.
  3. Absent or non-existent.
  4. Of the null set.
  5. Of or comprising a value of precisely zero.
  6. Causing a complete loss of gene function; amorphic.
  7. Neutral.
verb
  1. To nullify; to annul.
  2. To return to the null position, setting, etc.
  3. To form nulls, or into nulls, as in a lathe.
  4. To crack; to remove restrictions or limitations in (software).
name
  1. A surname.

Pronunciation

/nʌl/ /nʊl/ en-us-null.ogg /nɐl/ /nal/

Word forms

null nulls more null most null nulling nulled

Etymology

Borrowed from Middle French nul, from Latin nūllus.

Synonyms

invalid nude void immaterial paltry vain base contemptible floccinaucinihilipilificatious foolish for the birds futile frivolous idle ignorable inconsequential inconsiderable indifferent insignificant like a fart in a windstorm meager mean minor miserable negligible nothingburger nondescript null petty picayune picayunish piddling piddly pissant pissass piteous pitiful pointless silly simple slight ticky-tacky tin-pot trifling trivial two-bit unimportant unweighty worthless wretched beingless extinct zilch absent inessential inexistent nonexistent

Antonyms

antinull non-null

Related words

annul nulled work nil \0 ∅

Derived words

/dev/null alef null aleph-null conull dev null nonnull non-null persistent nullability nullable null anaphora null and void nullary null byte injection null character nullcline null determiner null device nullectomy nullform nullge null-grav null-homotopic null hypothesis nullification null infinity nulliparous nullish Null Island nullity nulliverse null matrix null modem null morpheme nullness null node nullo null object null path length null persistent null pointer null prefix null recurrence null recurrent null result null set null sign nullspace null-subject language null suffix null-terminated phosphonull pseudonull Rh-null
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