Definition of steepen verb from the Oxford Advanced American Dictionary

 

steepen

 verb
verb
NAmE//ˈstipən//
 
[intransitive, transitive]steepen (something)Verb Forms present simple I / you / we / they steepen
 
he / she / it steepens
 
past simple steepened
 
-ing form steepening
 
 
jump to other results
to become or to make something become steeper After a mile, the slope steepened.
See the Oxford Advanced Learner's Dictionary entry: steepen