Definition of roughen verb from the Oxford Advanced American Dictionary

 

roughen

 verb
verb
NAmE//ˈrʌfn//
 
[intransitive, transitive]Verb Forms present simple I / you / we / they roughen
 
he / she / it roughens
 
past simple roughened
 
-ing form roughening
 
 
jump to other results
to become rough; to make something rough His voice roughened with every word. roughen something Cold weather roughens your skin.
See the Oxford Advanced Learner's Dictionary entry: roughen