having existence or being or actuality; "an attempt to refine the existent machinery to make it more efficient"; "much of the beluga caviar existing in the world is found in the Soviet Union and Iran"
a natural and periodic state of rest during which consciousness of the world is suspended; "he didn't get enough sleep last night"; "calm as a child in dreamless slumber"
a torpid state resembling deep sleep
a period of time spent sleeping; "he felt better after a little sleep"; "there wasn't time for a nap"
be asleep
be able to accommodate for sleeping; "This tent sleeps six people"
line thrown from a vessel that people can cling to in order to save themselves from drowning
line that raises or lowers a deep-sea diver
support that enables people to survive or to continue doing something (often by providing an essential connection); "the airlift provided a lifeline for Berlin"; "she offered me a lifeline in my time of grief"
an unpleasant or disastrous destiny; "everyone was aware of the approaching doom but was helpless to avoid it"; "that's unfortunate but it isn't the end of the world"
make certain of the failure or destruction of; "This decision will doom me to lose my position"