To go to sleep, especially because of exhaustion, and remain asleep in a relaxed or inactive state.
1.1. Falling asleep from exhaustion
To fall asleep quickly or become completely exhausted and fall asleep, often after physical activity or a tiring day.
Synonyms
- crashed
- conked
- flaked out
- dropped off
- nodded off
- catnapped
Antonyms
- arose
- awoke
- awakened
- got up
- woke
Examples
- I was so exhausted after the hike that I just sacked out on the couch.
- The party was wild, and by the end of the night, everyone was sacked out on the floor.
Related Words
- dozed
- dozing
- dreaming
- sleeping
- slumbered
- snoozed
- zonked
- out cold
1.2. Sleeping or resting comfortably
To be asleep or lying down in a relaxed state, away from activity or wakefulness.
Synonyms
Antonyms
- awake
- attentive
- conscious
- alert
Examples
- After a long day at work, he sacked out in his favorite recliner.
- The kids played all day at the beach, and by evening, they were completely sacked out in their tents.
Related Words
- in repose
- at rest
- dormant
- inactive
- somnolent
- hibernating
- taking forty winks
- on the kip