steepened is steepen's Past Tense

steepen

US [ˈstipən]
UK [ˈstiːpən]
  • v.使险峻;越来越险峻
  • Web变得更陡峭;变陡;使陡峭
Simple Present:steepens  Present Participle:steepening  Past Tense:steepened  
v.
1.
使陡峭,使险峻
2.
变险峻,越来越险峻

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard