Brink/brɪŋk/ Definition 1 of 2Pro Tip 1/3Physical Edge Often describes a literal, physical boundary like a cliff or building top. Birds perched on the brink, ready to take flight. Pro Tip 2/3Tension Building Used to create suspense in stories, hinting a character is close to danger. She teetered on the brink as rocks crumbled below. Pro Tip 3/3Not for Everyday Often found in more dramatic or formal contexts, not common in daily conversation. His daring act brought him to the brink of fame.