lengthen in time; cause to be or last longer; "We prolonged our stay"; "She extended her visit by another day"; "The meeting was drawn out until midnight"
lengthen or extend in duration or space; "We sustained the diplomatic negotiations as long as possible"; "prolong the treatment of the patient"; "keep up the good work"
clearly or sharply defined to the mind; "clear-cut evidence of tampering"; "Claudius was the first to invade Britain with distinct...intentions of conquest"; "trenchant distinctions between right and wrong"
having had all the trees removed at one time; "clear-cut hillsides are subject to erosion"
remove all the trees at one time; "clear-cut an acre of forest"
(of language) transparently clear; easily understandable; "writes in a limpid style"; "lucid directions"; "a luculent oration"- Robert Burton; "pellucid prose"; "a crystal clear explanation"; "a perspicuous argument"
the destruction of an enemy plane or ship or tank or missile; "the pilot reported two kills during the mission"
destroy a vitally essential quality of or in; "Eating artichokes kills the taste of all other foods"
cause to cease operating; "kill the engine"
tire out completely; "The daily stress of her work is killing her"
mark for deletion, rub off, or erase; "kill these lines in the President's speech"
cause to die; put to death, usually intentionally or knowingly; "This man killed several people when he tried to rob a bank"; "The farmer killed a pig for the holidays"
cause the death of, without intention; "She was killed in the collision of three cars"
deprive of life; "AIDS has killed thousands in Africa"
hit with great force; "He killed the ball"
hit with so much force as to make a return impossible, in racket games; "She killed the ball"
overwhelm with hilarity, pleasure, or admiration; "The comedian was so funny, he was killing me!"
be the source of great pain for; "These new shoes are killing me!"
thwart the passage of; "kill a motion"; "he shot down the student's proposal"
be fatal; "cigarettes kill"; "drunken driving kills"
consisting of or containing or of the nature of crystals; "granite is crystalline"
transmitting light; able to be seen through with clarity; "the cold crystalline water of melted snow"; "crystal clear skies"; "could see the sand on the bottom of the limpid pool"; "lucid air"; "a pellucid brook"; "transparent crystal"
distinctly or sharply outlined; "crystalline sharpness of outline"- John Buchan