Adjective zero has 4 senses
  1. zero, 0 - indicating the absence of any or all units under consideration; "a zero score"
    Antonym: ordinal (indirect, via cardinal)
  2. zero - indicating an initial point or origin
    cardinal (indirect, via ordinal)
  3. zero - of or relating to the null set (a set with no members)
  4. zero - having no measurable or otherwise determinable value; "the goal is zero population growth"
    all (indirect, via some, no)
    Antonym: some (indirect, via no, all)
,Noun zero has 3 senses
  1. nothing, nil, nix, nada, null, aught, cipher, cypher, goose egg, naught, zero, zilch, zip - 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"
    --1 is a kind of relative quantity
    --1 has particulars:
     nihil; bugger all, fuck all, Fanny Adams, sweet Fanny Adams
    Derived form: verb zero1
  2. zero, 0, nought, cipher, cypher - a mathematical element that when added to another number yields the same number
    --2 is a kind of digit, figure
    Derived form: verb zero1
  3. zero, zero point - the quantity that registers a reading of zero on a scale
    --3 is a kind of numerical quantity
    Derived form: verb zero1
,Verb zero has 2 senses
  1. zero - adjust (an instrument or device) to zero value
    --1 is one way to
    adjust, set, correct
    Derived forms: noun zero1, noun zero2, noun zero3
    Sample sentence:
    Somebody ----s something
  2. zero, zero in - adjust (as by firing under test conditions) the zero of (a gun); "He zeroed in his rifle at 200 yards"
    --2 is one way to adjust, set, correct
    Sample sentence:
    Somebody ----s something