絶壁

1. Origins, structure, and basic meaning

• Structure: 絶壁 is read as ぜっぺき and means “sheer cliff”.
• Basic usage: It denotes a sheer seaside cliff and a precipice beside a hiking trail.

2. Common pitfalls and similar expressions

• 絶壁の上 / 脇が絶壁
  • It is a near-vertical drop, not merely an edge. 絶壁の上 refers to the top, while 脇が絶壁 warns of the drop beside a path.