/ nɔːt; NAmE / noun
1.
[ C , U ] ( BrE ) (also zero NAmE , BrE ) the figure 0 :
A million is written with six noughts.
nought point one (= written 0.1)
I give the programme nought out of ten for humour.
2.
(also naught ) [ U ] ( literary ) used in particular phrases to mean 'nothing' :
All our efforts have come to nought (= have not been successful) .