Steep

abrupto

(near-vertical)

acantilado

(near-vertical)

empinado

(near-vertical)

escarpado

(near-vertical)

inclinado

(near-vertical)

precipitoso

(near-vertical)

sopa

(liquid)

imbuir

(to imbue with an abstract quality)

infusionar

(to make tea or other beverage)

macerar

(to soak an item in liquid)

remojar

(to soak an item in liquid)