Rigid (adjective)
سخت، غیر لچکدار
unable to bend or be forced out of shape; not flexible.
Example: “a seat of rigid orange plastic”
Prowl (verb)
گشت کرنا، آوارہ پھرنا
(of a person or animal) move about restlessly and stealthily, especially in search of prey.
Example: “lions prowling in the bush”