- 1Make or become slack: [with object]: he slackened his grip [no object]: suddenly the line slackens and flutters in the windMore example sentences
- She had slackened off her seat belt slightly to allow her to turn towards Knowles and plead with him.
- I slackened off the pressure slightly, encouraging the skate to dive, which it did.
- Cael felt the grip on him suddenly slacken as the weapon implanted itself in the man's chest.
- 2Reduce or decrease in speed or intensity: [no object]: the pace never slackensMore example sentences
- Even in training you have to be on your toes, you can't be slackening off with the squad we have.
- The river flow was slackening off now, but the bites continued.
- There is no sign of the pace slackening off, with the total for the first five months of 2003 up by a substantial 13.8 per cent.