slack

Sense 1 noun

dust consisting of a mixture of small coal fragments and coal dust and dirt that sifts out when coal is passed over a sieve

Sense 2 verb

avoid responsibilities and work, be idle

Sense 3 adjective

not tense or taut

the old man's skin hung loose and grey

Sense 4 noun

a noticeable deterioration in performance or quality

the team went into a slump

Sense 5 verb

be inattentive to, or neglect

He slacks his attention

Sense 6 adjective

flowing with little speed as e.g. at the turning of the tide

slack water

Sense 7 noun

a stretch of water without current or movement

suddenly they were in a slack and the water was motionless

Sense 8 verb

release tension on

slack the rope

Sense 9 adjective

lacking in rigor or strictness

such lax and slipshod ways are no longer acceptable

Sense 10 noun

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

Sense 11 verb

make less active or fast

He slackened his pace as he got tired

Sense 12 noun

the quality of being loose (not taut)

he hadn't counted on the slackness of the rope

Sense 13 verb

become slow or slower

Production slowed

Sense 14 noun

a cord or rope or cable that is hanging loosely

he took up the slack

Sense 15 verb

make less active or intense

Sense 16 verb

become less in amount or intensity

The storm abated

Sense 17 verb

cause to heat and crumble by treatment with water

slack lime