Simple past tense and past participle of gully.(verb)
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Use "gullied" in a sentence
"We were quite tired when we reached our destination, rode up a washed and "gullied" approach to a most miserable looking habitation, a little have cultivated enclosure on one side, a lot on the other in which stood a poor bay horse, while outside under a tree languished a miserable claybank, with his back all bloody, a decrepit paling enclosed a little yard before the door where"
"The road was badly washed and gullied and showed little sign of travel."
"He was describing how excessive rains gullied out his fields this year, delayed planting and harvesting, and how getting the land back into proper shape will probably take a long time."