STEEPEN


Meaning of STEEPEN in English

/ ˈstiːpən; NAmE / verb

to become or to make sth become steeper :

[ v ]

After a mile, the slope steepened.

[also vn ]

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.