Definition of Zero

Noun

• the sight setting that will cause a projectile to hit the center of the target with no wind blowing
  
• the point on a scale from which positive or negative numerical quantities can be measured
  - zero point
• a mathematical element that when added to another number yields the same number
  - 0 nought cipher cypher
• 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"
  nothing nil nix nada null aught cipher cypher - goose egg naught zilch zip zippo

Verb

• adjust (as by firing under test conditions) the zero of (a gun)
  "He zeroed in his rifle at 200 yards"
  - zero in
• adjust (an instrument or device) to zero value
  

Adjective

• of or relating to the null set (a set with no members)
  
• indicating an initial point or origin
  
• having no measurable or otherwise determinable value
  "the goal is zero population growth"
  
• indicating the absence of any or all units under consideration
  "a zero score"
  - 0

• Scrabble® score of the zero (13)
• Word Chums® score of the zero (13)
• Words With Friends® score of the zero (103)