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Use "untimbered" in a sentence
"Since leaving Ballan the road had dipped up and down a succession of swelling rises, grass-grown and untimbered."
"Before we had gone far we found the recent tracks of an exploring party, and instead of rejoining our party we followed the tracks to see where they led, which appeared to be in the direction of some untimbered hills on the left bank of the Aramak Creek."
"In the morning we started on our journey to travel over a level untimbered, uninhabited country for nearly four hundred miles, without anything of especial interest occurring save cholera, from which there was terrible suffering."