Main Entry: steep·en

Pronunciation: \ˈstē-pən, -p^əm\

Function: verb

Inflected Form(s): steep·ened; steep·en·ing \ˈstē-pə-niŋ, ˈstēp-niŋ\

Date: 1847

intransitive verb : to become steepertransitive verb : to make steeper