M3 growth may have slackened in May.
Unfortunately, rules have slackened to the point of ridiculousness.
The rain had slackened to a steady shower and we grabbed Frank.
The evening rush hour on the route has slackened to a trickle.
WordNet 3.0 Sense Numbers: 1, 2
WordNet Verb Particle Constructions, Multiword Expressions:
The headtube angle was slackened to 69 degrees.
The arrangement enables the screws to be slackened to release a part welded grid.
I slackened the locks and pointed the scope manually at a couple of easy targets.
WordNet 3.0 Sense Numbers: 3, 4