a swinging or sliding barrier that will close the entrance to a room or building or vehicle; "he knocked on the door"; "he slammed the door as he left"
a room that is entered via a door; "his office is the third door down the hall on the left"
a structure where people live or work (usually ordered along a street or road); "the office next door"; "they live two doors up the street from us"
anything providing a means of access (or escape); "we closed the door to Haitian immigrants"; "education is the door to success"
the action of alienating; the action of causing to become unfriendly; "his behavior alienated the other students"
(law) the voluntary and absolute transfer of title and possession of real property from one person to another; "the power of alienation is an essential ingredient of ownership"
fail to win; "We lost the battle but we won the war"
suffer the loss of a person through death or removal; "She lost her husband in the war"; "The couple that wanted to adopt the child lost her when the biological parents claimed her"
allow to go out of sight; "The detective lost the man he was shadowing after he had to stop at a red light"
miss from one's possessions; lose sight of; "I've lost my glasses again!"
fail to keep or to maintain; cease to have, either physically or in an abstract sense; "She lost her purse when she left it unattended on her seat"
fail to get or obtain; "I lost the opportunity to spend a year abroad"
fail to make money in a business; make a loss or fail to profit; "I lost thousands of dollars on that bad investment!"; "The company turned a loss after the first year"