1. A mathematical element that when added to another number yields the same number
   "Adding nought to any number leaves it unchanged";
   - zero, 0, cipher, cypher, naught [N. Amer]
    
2. Complete failure
   "all my efforts led to nought";
   - naught [N. Amer]
    
3. No amount at all; absence of any thing, quantity or value
   "it looked like nought I had ever seen before";
   - nothing, nil, nix [informal], nada [N. Amer, informal], null, aught [archaic], cipher, cypher, goose egg [N. Amer, informal], naught [N. Amer], zero, zilch [informal], zip [N. Amer, informal], zippo [N. Amer, informal]

1. Not any thing, nothing at all
   "There's nought left in the fridge";
   - nowt [UK, dialect], nothing, naught [informal], zilch [informal], zip [N. Amer, informal], zippo [N. Amer, informal], nada [N. Amer, informal], nix [informal]

Derived forms: noughts

Type of: digit, failure, figure, relative quantity

Encyclopedia: Nought