| Noun | 1. | shakedown - initial adjustments to improve the functioning or the efficiency and to bring to a more satisfactory state; "the new industry's economic shakedown" |
| 2. | shakedown - a very thorough search of a person or a place; "a shakedown by the police uncovered the drugs" | |
| 3. | shakedown - extortion of money (as by blackmail) extortion - the felonious act of extorting money (as by threats of violence) | |
| Adj. | 1. | shakedown - intended to test a new system under operating conditions and to familiarize the operators with the system; "a shakedown cruise" |