(~s)
Note: The spelling 'naught' is also used for meaning 2.
1.
Nought is the number 0. (mainly BRIT; in AM, use zero )
Sales rose by ~ point four per cent last month...
Houses are graded from ~ to ten for energy efficiency...
= zero
NUM
2.
If you try to do something but your efforts are not successful, you can say that your efforts come to ~. (FORMAL)
Numerous attempts to persuade him to write his memoirs came to ~.
PHRASE: V inflects