so·bri·ety 
/səˈbrajəti/ noun
/səˈbrajəti/ noun [noncount] 1 : the state of not being drunk
▪ The police tested him for sobriety. [=tested him to see if he was sober] ▪ They did a sobriety test on him. ▪ He has had 10 years of sobriety. [=he stopped drinking alchohol 10 years ago] 2 formal : the quality of being serious
▪ the sobriety of the situation
▪ The police tested him for sobriety. [=tested him to see if he was sober] ▪ They did a sobriety test on him. ▪ He has had 10 years of sobriety. [=he stopped drinking alchohol 10 years ago]
▪ the sobriety of the situation
