Translation

切り立った / 急勾配の / 険しい

Meaning

Precipitous describes something extremely steep, such as a cliff, path, or drop. It can feel dangerous or hard to descend. Do not confuse it with precipitate, which is often a verb meaning to cause something suddenly.

Examples

• その道は切り立った崖の横を通っていた。
  The path ran beside a precipitous cliff.
• 私たちは急な下り坂を慎重に進んだ。
  We moved carefully down the precipitous slope.