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sled
sled dog
sledding
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sledgehammer
sleek
sleekit
sleep
sleep apnea
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sleep

sleep [ sleep ]


noun 
Definition:
 
1. state of not being awake: a state of partial or full unconsciousness in people and animals, during which voluntary functions are suspended and the body rests and restores itself, or a period spent in this state

2. state resembling sleep: any state that is inactive or dormant, like sleep

3.  ( literary )
Same as  death (sense 1)
( also euphemistic )

4. mucus in eyes: small amounts of dried mucus that collect in the eyes during sleep ( informal )

5. botany 
Same as  nyctitropism




verb  (past and past participle slept [ slept ], present participle sleep·ing, 3rd person present singular sleeps)
Definition:
 
1. intransitive verb be in state of sleep: to be in or go into a state of sleep

2. transitive verb spend time in sleep: to spend a period of time sleeping
We slept the night in a hotel.

3. transitive verb provide beds for people: to provide sleeping accommodations for a particular number of people
The yacht sleeps eight.

4. intransitive verb be inactive: to be in an inactive or dormant state
a city that never sleeps

5. intransitive verb be dead: to be dead ( literary ) ( also euphemistic )
He sleeps in the bosom of Abraham.

6. intransitive verb botany change position at night: in plants, to assume a position at night that is different from the daytime position

[ Old English slǣp (noun), slǣpan (verb) < Germanic]

get or go to sleep to begin sleeping

in your sleep 

1. 
while you are sleeping
 

2. 
with ease, as if not having to be fully awake (informal)
I could find my way there in my sleep, I've been so often.


not lose (any) sleep over something to not worry about something because it is thought to be trivial or irrelevant

put somebody to sleep to anesthetize somebody

put something to sleep to kill an animal in a humane way, especially because it is ill, injured, or in pain

sleep on it to postpone a decision until at least the next day in order to give it more thought

sleep rough U.K. to sleep outdoors, especially in the street, usually as a result of being homeless


Word Key: Synonyms

See kill1.

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