to make or become steeper.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use steepen in a sentence
They hammered twin tracks into the hard snow as the slope steepened and opened below me.
When they are hopeful, the opposite happens and the curve steepens as expectations for inflation increase.
Even the landscape itself seems dialed back, with much of its natural wonders hidden beneath snow or sequestered at higher elevations where the land steepens.He escaped the cacophony by strapping on snowshoes and slipping into the Great North Woods | Miles Howard | January 15, 2021 | Washington Post
British Dictionary definitions for steepen
to become or cause to become steep or steeper
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012