precipitous - Dictionary definition and meaning for word precipitous
You can remember two words like this "He has a PRECIPITATE(without thinking carefully) decision : climb a very PRECIPITOUS cliff"
"precipitation" of soil creates a high land , sometimes a mountain which is steep and overhasty
when a mountain is very steep, you can run down it very hastily (precipitate)
precipitate - bring about abruptly; "The crisis precipitated by Russia's revolution" precipitate - separate as a fine suspension of solid particles precipitate - fall from clouds; "rain, snow and sleet were falling";