What does prepititous mean?

"Prepititous" is not a recognized English word. It seems like you might have made a typo or misspelling.

Are you perhaps looking for one of these words?

* Propitious: Meaning favorable or auspicious; likely to bring success.

* Precipitous: Meaning very steep, dangerously steep, or happening suddenly and quickly.

* Pitiful: Meaning deserving or causing pity; pathetic.

Please clarify your request so I can assist you further!