flattened

adj

1. Made flat by something.

   “We removed the fallen tree from the flattened car.”

   “Fibreglass mouldings form the domed roof at the driving ends and the drop roof of the motor coach, which joins the elliptical section of the flattened portion under the pantograph.”

verb

1. (form-of, participle, past)simple past and past participle of flatten

   “The tree fell on the car and flattened it.”