Definition of "steepen" []

• To make or become steep or steeper. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "So far as he can tell, as his maps had indicated, the river narrows and deepens as the hills steepen a kay or so east of where the force rests."
• ""If the QE is successful, yields go up and steepen, which is what we saw in previous rounds," said Alessandro Mercuri, an interest-rate strategist at Lloyds Bank Corporate Markets in London."
• "One thing that helped bolster performance was a well-timed wager that the yield curve, or spectrum of bond yields from the shortest to longest issues, would steepen, meaning short-term rates would fall in relation to long-term rates."