1.
edge of a cliff; brink of a precipice
The physical edge of a cliff or steep drop-off.
2.
critical moment; last chance; do-or-die situation
A figurative sense meaning a desperate or make-or-break situation where failure seems imminent.
崖っぷち literally means the edge (淵) of a cliff (崖). The っぷち is a colloquial contraction of ぶち, from 淵.
The figurative sense is far more common in everyday use, describing desperate situations where one is about to fail or lose everything.
Common collocations
- 崖っぷちに立つ (to stand at the brink)
- 崖っぷちに追い込まれる (to be driven to the brink)
- 崖っぷちの状況 (a do-or-die situation)