0

adj.

1.

indicating the absence of any or all units under consideration; - representing the number zero as an Arabic numeral

Thesaurus

Noun	1.	0 - a mathematical element that when added to another number yields the same number cypher, nought, zero, cipher digit, figure - one of the elements that collectively form a system of numeration; "0 and 1 are digits"
Adj.	1.	0 - indicating the absence of any or all units under consideration; "a zero score" zero cardinal - being or denoting a numerical quantity but not order; "cardinal numbers"