killing

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The act or action of causing death, as of a person.
• noun A sudden large profit.
• adjective Causing or apt to cause death; fatal.
• adjective Thoroughly exhausting.
• adjective Informal Hilarious.

from The Century Dictionary.

• Depriving of life; deadly; doing execution.
• Overpowering; irresistible: generally in the sense of fascinating, bewitching, charming, so as to attract and compel admiration: as, killing coquetries.
• So terrible or frightful as almost to kill one; exceedingly severe; exhausting; wearing.
• noun In the manufacture of steel, the practice of stopping or preventing the evolution of gas in the steel. Steel is most commonly killed with silicon or aluminium.
• noun The act of slaying or depriving of life.

from the GNU version of the Collaborative International Dictionary of English.

• adjective Literally, that kills; having power to kill; fatal; in a colloquial sense, conquering; captivating; irresistible.
• noun The act or process of causing a living organism to die.
• noun An unusually large gain in a financial or business transaction or enterprise.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb Present participle of kill.
• adjective That literally deprives of life; lethal, deadly, fatal.
• adjective Devastatingly attractive.
• adjective That makes one ‘die’ with laughter; very funny.
• noun an instance of someone being killed
• noun informal A large amount of money.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the act of terminating a life
• adjective very funny
• noun a very large profit
• noun an event that causes someone to die