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life jacket a life preserver in the form of a sleeveless vest or jacket; life vest.
lifeless having or appearing to have no life; inanimate; unconscious. [3 definitions]
lifelike closely resembling or simulating real life.
lifeline an anchored line or rope thrown to support a person in danger of drowning or falling. [5 definitions]
lifelong continuing throughout the whole of one's life.
life net a strong net used by firefighters or others to catch people forced to jump from a burning building.
life preserver a buoyant device for keeping a person afloat and preventing drowning, usu. made in the shape of a ring, belt, or jacket.
life raft a small, usu. inflatable raft for use by people forced to abandon a boat or ship.
lifesaver a person or animal that saves another from death, esp. from drowning. [2 definitions]
life-size having the size of an original object.
life span the length of time that an individual of any species lives or can be expected to live.
lifestyle the general mode of living of a person or group, including attitudes, occupational and class characteristics, financial priorities, possessions, and the like.
life-support system a system of equipment, esp. in a hospital, that keeps a person alive when he or she might otherwise die. [2 definitions]
life-threatening having the potential to kill, as an injury or disease.
lifetime the time during which a person's life continues. [3 definitions]
lifework all the work, or the most important work, of one's life.
Liffey a river in eastern Ireland that flows through Dublin.
lift to move (something) upward; raise. [12 definitions]
liftable combined form of lift.
lift a finger to make an attempt to work or help.
liftoff the moment of launching a missile or rocket, or the motion itself.