slacked

a noticeable deterioration in performance or quality; "the team went into a slump"; "a gradual slack in output"; "a drop-off in attendance"; "a falloff in quality"

a soft wet area of low-lying land that sinks underfoot

avoid responsibilities and work, be idle

become slow or slower; "Production slowed"

make less active or intense

become less in amount or intensity; "The storm abated"; "The rain let up after a few hours"

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

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