roughened is roughen's Past Tense

roughen

US [ˈrʌf(ə)n]
UK ['rʌf(ə)n]
  • v.弄粗糙;变得崎岖不平
  • Web粗糙化;变粗糙;使崎岖不平
Simple Present:roughens  Present Participle:roughening  Past Tense:roughened  
v.
1.
弄粗糙,使崎岖不平
2.
变粗糙,变得崎岖不平

Sample Sentence

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