American Heritage® Dictionary of the English Language, Fourth Edition
- v. To make or become rough.
Century Dictionary and Cyclopedia
- To make rough; bring into a rough condition.
- To grow or become rough.
- v. transitive To make rough.
- v. intransitive To become rough.
GNU Webster's 1913
- v. To make rough.
- v. To grow or become rough.
- v. make rough or rougher
“Nail primers, which are used to roughen the surface of the fingernail, are among the most dangerous products.”
“Some mechanics buy narrow wire brushes to even and roughen the glue surface.”
“After firing a pot, they would roughen its surface and apply chaute, a mixture of charcoal, oil of sage seed and a glue-like substance from the camote tuber.”
“Where previously the pursuit of truth had been conducted through pure deduction—speculating why a stone falls to earth—it was now permissible to roughen one's hands in the mechanics of experiment, measuring precisely how the stone falls.”
“Oh, wait, he means that she needs to roughen up her styling.”
“I push on, and soon the ranchland begins to roughen into badlands.”
“They were close, very close, the smooth surface of the water already beginning to swirl and roughen as they approached the sharp, underwater rocks.”
“Then, moving down, he began to roughen the tight skin on the backs of his hands.”
“The last word — Latin for roughen or agitate — is a reference to the clouds' undulating surface.”
“What I need to do according to this theory is to roughen up my style.”
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