brink noun

ADJ. very

VERB + BRINK be (poised) on, hover on, stand on, teeter on Scientists are on the brink of making a major new discovery. animals hovering on the very brink of extinction | bring sb to | fight/pull back from | bring/pull sb/sth back from He pulled the company back from the brink (= saved it from disaster).

PREP. ~ of the brink of bankruptcy/death/war