null

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

Zero quantity of expressions; nothing.

Something that has no force or meaning.

(computing) 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.

(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) The null hypothesis.

Having no validity; "null and void".

Đồng nghĩa: invalid, nude, void

Insignificant.

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

Absent or non-existent.

Đồng nghĩa: beingless, extinct, zilch, absent, beingless, extinct, inessential, inexistent, nonexistent, null, zilch

(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.

(mechanical engineering, of a position or setting) Neutral.

(archaic, transitive)To nullify; to annul.

To return to the null position, setting, etc.

To form nulls, or into nulls, as in a lathe.

(slang, transitive)(computing, slang, transitive) To crack; to remove restrictions or limitations in (software).