| Noun | 1. | sack - a bag made of paper or plastic for holding customer's purchases |
| 2. | sack - an enclosed space; "the trapped miners found a pocket of air" | |
| 3. | sack - the quantity contained in a sack Synonyms: sackful | |
| 4. | sack - any of various light dry strong white wine from Spain and Canary Islands (including sherry) | |
| 5. | sack - a woman's full loose hiplength jacketSynonyms: sacque | |
| 6. | sack - a hanging bed of canvas or rope netting (usually suspended between two trees); swing easily Synonyms: hammock | |
| 7. | sack - a loose-fitting dress hanging straight from the shoulders without a waist | |
| 8. | sack - the plundering of a place by an army or mob; usually involves destruction and slaughter; "the sack of Rome" | |
| 9. | sack - the termination of someone's employment (leaving them free to depart) | |
| Verb | 1. | sack - plunder (a town) after capture; "the barbarians sacked Rome" Synonyms: plunder |
| 2. | sack - terminate the employment of; "The boss fired his secretary today"; "The company terminated 25% of its workers" Synonyms: give notice, give the axe, give the sack, send away, can, force out, dismiss, fire, terminate | |
| 3. | sack - make as a net profit; "The company cleared $1 million" | |
| 4. | sack - put in a sack; "The grocer sacked the onions" |