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Verb: roughen  rú-fun
  1. Make rough or rougher
    "roughen the surfaces so they will stick to each other"

Derived forms: roughens, roughened, roughening

Type of: change surface

Antonym: smoothen

Nearest

rough trade
rough up
rough water
roughage
rough-and-ready
rough-and-tumble
roughcast
rough-cut
roughdried
rough-dry
roughen
rough-haired
rough-hew
roughhewn
roughhouse
rough-house
roughish
rough-leaved aster
roughleg
rough-legged hawk
roughly