[ sak ]
/ sæk /


verb (used with object)

Verb Phrases

sack out, Slang. to go to bed; fall asleep.

Nearby words

  1. sachs,
  2. sachs, hans,
  3. sachs, nelly,
  4. sachsen,
  5. sachsen-anhalt,
  6. sack coat,
  7. sack dress,
  8. sack out,
  9. sack race,
  10. sack suit


    hit the sack, Slang. to go to bed; go to sleep: He never hits the sack before midnight.
    leave holding the sack. bag(def 28).

Origin of sack

before 1000; 1940–45 for def 5; Middle English sak (noun), sakken (v.), Old English sacc (noun) < Latin saccus bag, sackcloth < Greek sákkos < Semitic; compare Hebrew śaq

Related formssack·like, adjective

Can be confusedbag sac sack sacque

Regional variation note

See bag. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for sack out


/ (sæk) /


verb (tr)

informal to dismiss from employment
to put into a sack or sacks
Derived Formssacklike, adjective

Word Origin for sack

Old English sacc, from Latin saccus bag, from Greek sakkos; related to Hebrew saq


/ (sæk) /


the plundering of a place by an army or mob, usually involving destruction, slaughter, etc
American football a tackle on a quarterback which brings him down before he has passed the ball


(tr) to plunder and partially destroy (a place)
American football to tackle and bring down a quarterback before he has passed the ball
Derived Formssacker, noun

Word Origin for sack

C16: from French phrase mettre à sac, literally: to put (loot) in a sack, from Latin saccus sack 1


/ (sæk) /


archaic or trademark any dry white wine formerly imported into Britain from SW Europe

Word Origin for sack

C16 wyne seck, from French vin sec dry wine, from Latin siccus dry

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for sack out
Online Etymology Dictionary, © 2010 Douglas Harper

Idioms and Phrases with sack out

sack out

Go to sleep, go to bed, as in We sacked out about midnight. This slangy idiom is a verbal use of the noun sack, slang for “bed” since about 1940; it alludes to a sleeping bag and appears in such similar phrases as in the sack, in bed, and sack time, bedtime.


In addition to the idiom beginning with sack

  • sack out

also see:

  • get the ax (sack)
  • hit the hay (sack)
  • sad sack
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.