Null Definition

nŭl

nulls

adjective

Without legal force; not binding; invalid.

Webster's New World

Amounting to naught; nil.

Webster's New World

Of no value, effect, or consequence; insignificant.

Webster's New World

Amounting to nothing; absent or nonexistent.

A null result.

American Heritage

Of or relating to a set having no members or to zero magnitude.

American Heritage

Synonyms:

Antonyms:

noun

nulls

A non-existent or empty value or set of values.

Wiktionary

An instrument reading of zero.

American Heritage

Zero; nothing.

American Heritage

Something that has no force or meaning.

Wiktionary

(computing) The ASCII or Unicode character (␀), represented by a zero value, that indicates no character and is sometimes used as a string terminator.

Wiktionary

Synonyms:

verb

To make null.

American Heritage

To nullify; to annul.

Wiktionary

Synonyms:

Other Word Forms of Null

Noun

Singular:

null

Plural:

nulls

Origin of Null

French nul from Old French from Latin nūllus ne in Indo-European roots

From American Heritage Dictionary of the English Language, 5th Edition
From Middle French nul, from Latin nullus.

From Wiktionary