nothing, nil, nix, nada, null, aught, cipher, cypher, goose egg, naught, zero, zilch, zip, zippo -- (a quantity of no importance; "it looked like nothing I had ever seen before"; "reduced to nil all the work we had done"; "we racked up a pathetic goose egg"; "it was all for naught"; "I didn't hear zilch about it")
zero, 0, nought, cipher, cypher -- (a mathematical element that when added to another number yields the same number)
zero, zero point -- (the point on a scale from which positive or negative numerical quantities can be measured)
zero -- (the sight setting that will cause a projectile to hit the center of the target with no wind blowing)
Overview of verb zero
The verb zero has 2 senses
zero -- (adjust (an instrument or device) to zero value)
zero, zero in -- (adjust (as by firing under test conditions) the zero of (a gun); "He zeroed in his rifle at 200 yards")
Overview of adj zero
The adj zero has 4 senses
zero, 0 -- (indicating the absence of any or all units under consideration; "a zero score")
zero -- (having no measurable or otherwise determinable value; "the goal is zero population growth")
zero -- (indicating an initial point or origin)
zero -- (of or relating to the null set (a set with no members))
(Sound)
