What does "steep" mean?

Additional senses

1. 2.A rennet bag. [Prov. Eng.]
2. 3.Making a large angle with the plane of the horizon; ascending or descending rapidly with respect to a horizontal line or a level; precipitous; as, a steep hill or mountain; a steep roof; a steep ascent; a steep declivity; a steep barometric gradient.
3. 4.Difficult of access; not easy reached; lofty; elevated; high. [Obs.] Chapman.
4. 5.Excessive; as, a steep price. [Slang]
5. 6.A precipitous place, hill, mountain, rock, or ascent; any elevated object sloping with a large angle to the plane of the horizon; a precipice. Dryden. We had on each side naked rocks and mountains broken into a thousand irregular steeps and precipices. Addison. Bare steeps, where desolation stalks. Wordsworth.