casual - Relaxed and informal in manner or appearance.
centrality - The state of being central in location or focus.
camouflage - Concealment by means of disguise or blending into encironment.
cavalier - Showing a lack of proper concern; dismissive or careless.
busybody - A person who is too interested in things that do not involve them
caustic - Sarcastic or severely critical, often in a hurtful or biting manner; or able to burn or corrode organic tissue, typically referring to chemicals or substances.
cesspool - A place or situation that is filthy, corrupt, or morally degraded.
bum - A lazy or worthless person; a freeloader.
caliber - The quality or standard of someone's ability or character.
capitulate - To give in or stop resisting something, often unwillingly.
catatonic - Appearing to be in a daze or stupor; unresponsive, not moving or reacting.
casualty - A person killed or injured in a war or accident.