roughen roughdry • roughener · · · Info · Definitions · Antonyms · Characters · · roughen · · Text Latin · · Script 7 · · Length Definitions · · · (verb) make rough or rougher. Example: "Roughen the surfaces so they will stick to each other." · · Verb Definition 1 Antonyms · · · smooth · · Antonym 0 smoothen · · Antonym 1 Characters · · e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 u latin small letter u U+0075