(an instance of) colliding

accident

to be, begin to be, decaying

breaking down, collapse

the decay of a part of the body because the supply of blood to it has been stopped

decay

widespread damage

chaotic situation

a destroyed state; a state of financial collapse; a building that has been destroyed

situation of devastation

the reddish-brown coating formed on iron etc by the action of water and air

corrosion

(of land) that is not or cannot be used; no longer of use; useless; thrown away because not wanted; use without a good purpose; use more of (something) than is necessary

spending, use without thought

clothes; to have (something) on the body or on some part of it; to have (an expression) on the face; (to cause something) to become less useful or be in the condition mentioned by being used

use, corrosion