Slack (Adjective)

Not tense or taut; "the old man's skin hung loose and grey"; "slack and wrinkled skin"; "slack sails"; "a slack rope"; "a slack grip".

All adjective clusters.

The old man's skin hung loose and grey, a testament to his advanced age.
The sail was slack, flapping limply in the still air.
After a few hours of inactivity, the muscles in her arms felt slack and weak.
The rope was slack, and the climber's weight was not enough to tighten it.
The athlete's grip on the bar was slack, and she struggled to complete the routine.

Lacking in rigor or strictness; "such lax and slipshod ways are no longer acceptable"; "lax in attending classes"; "slack in maintaining discipline".

All adjective clusters.

The company's slack attitude towards safety regulations led to a major accident.
The teacher's slack grading policy made it easy for students to pass the course without putting in much effort.
The government's slack response to the crisis was widely criticized by the public.
The team's slack defense allowed the opposing team to score easily.
The university's slack admissions standards resulted in a significant decline in academic quality.

Flowing with little speed as e.g. at the turning of the tide; "slack water".

All adjective clusters.

The slack current made it easy to swim across the river.
As the tide turned, the water became slack and the fishermen waited for the change.
The river's slack waters made it a popular spot for families with young children to swim.
After the storm, the slack winds allowed the sailors to repair their damaged sails.
The slack flow of the stream made it an ideal place for children to catch fish.