to deprive of life in any manner; cause the death of; slay. Synonyms: slaughter, massacre, butcher; hang, electrocute, behead, guillotine, strangle, garrote; assassinate.
to destroy; do away with; extinguish: His response killed our hopes.
to destroy or neutralize the active qualities of: to kill an odor.
to spoil the effect of: His extra brushwork killed the painting.
to cause (time) to be consumed with seeming rapidity or with a minimum of boredom, especially by engaging in some easy activity or amusement of passing interest: I had to kill three hours before plane time.