brink 
/ˈbrɪŋk/ noun
/ˈbrɪŋk/ noun Meaning:
the brink
: the edge at the top of a steep cliff — usually used figuratively to refer to a point that is very close to the occurrence of something very bad or (less commonly) very good ▪ He nearly lost everything because of his drug addiction, but his friends helped to pull him back from the brink. ▪ The two nations are on the brink of war. [=are very close to war] ▪ a city on the brink of financial disaster ▪ Doctors may be on the brink of finding a cure for this disease. ▪ a young actress who is on the brink of a brilliant career ▪ The other team brought them to the brink of defeat. [=came very close to defeating them] ▪ an animal that has been brought/pulled back from the brink of extinction
