Bible Dictionaries
Rough

Wilson's Dictionary of Bible Types

Isaiah 40:4 (a) GOD will overcome difficult places in the life in order to make the way of life easy and happy for His child. He smoothes out the rocky road, brings down the hills and exalts the valleys to make life a blessing. (See Luke 3:5).

Bibliography Information
Watson, Walter. Entry for 'Rough'. Wilson's Dictoinary of Bible Types. https://www.studylight.org/​dictionaries/​eng/​wdt/​r/rough.html. 1957.