hair's-breadth (noun)

1. In the cartoon episode, the hero narrowly escapes the villain's trap by a hair's-breadth.

2. The protagonist in the anime series dodges the enemy's attack by a hair's-breadth, displaying incredible agility.

3. The architect designed the narrow staircase with a hair's-breadth between each step to create a unique visual effect.

4. According to Greek mythology, the hero Orpheus ventured into the underworld but missed saving his wife by a hair's-breadth, losing her forever.