Null
/nʌl/
noun
A non-existent or empty value or set of values.
Zero quantity of expressions; nothing.
Something that has no force or meaning.
verb
To nullify; to annul.
To form nulls, or into nulls, as in a lathe.
To crack; to remove restrictions or limitations in (software).
adjective
Having no validity; "null and void"
Insignificant.
Absent or non-existent.