Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Comprehensive
Dictionary Suite
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Multi-word Results
hit the sack (slang) to go to bed.
sack coat a loose-fitting jacket or coat with a straight back, as of a man's business suit.
sack out (slang) to go to bed.
sack race a race in which each contestant has both legs confined in a sack and moves forward by jumping.
sad sack (informal) a hopelessly inept, hapless person.