Oxford Advanced American Dictionary

Definition of sack verb from the Oxford Advanced Learner's Dictionary

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sack

verb
sack pronunciation English sæk sack pronunciation American sæk
 
1 sack somebody (informal, especially British English) to dismiss somebody from a job
Synonym
fire
She was sacked for refusing to work on Sundays.
2 sack something (of an army, etc, especially in the past) to destroy things and steal property in a town or buildingRome was sacked by the Goths in 410.3 sack somebody (in American football) to knock down the quarterbackThe quarterback was sacked on the 45 yard line, and it was first down for the other team.
Phrasal verbs

sack out

(North American English, informal) to go to sleep or to bedWe watched a DVD and sacked out on the couch.
Usage notesUsage note: UnemploymentLosing your joblose your job(British English) become/be made redundantbe offered/take voluntary redundancy/early retirementface/be threatened with dismissal/(British English) the sack/(British English) compulsory redundancydismiss/fire/(especially British English) sack an employee/a worker/a managerlay off staff/workers/employees(AustralE, NZE, SAfrE) retrench workerscut/reduce/downsize/slash the workforce(British English) make staff/workers/employees redundantBeing unemployedbe unemployed/out of work/out of a jobseek/look for work/employmentbe on/collect/draw/get/receive (both British English) unemployment benefit/jobseeker's allowancebe/go/live/sign (British English, informal) on the doleclaim/draw/get (British English, informal) the dolebe on/qualify for (North American English) unemployment (compensation)be/go/live/depend (North American English) on welfarecollect/receive (North American English) welfarecombat/tackle/cut/reduce unemployment