hy·per·bol·ic 
(hī′pər-bŏlĭk) also hy·per·bol·i·cal (-ĭ-kəl)
(hī′pər-bŏlĭk) also hy·per·bol·i·cal (-ĭ-kəl)adj.
1. Of, relating to, or employing hyperbole.
2. Mathematics
a. Of, relating to, or having the form of a hyperbola.
b. Of or relating to a geometric system in which two or more lines can be drawn through any point in a plane and not intersect a given line in the plane.
c. Of or relating to a hyperbolic function: hyperbolic cosine.
hy′per·boli·cal·ly adv.