adjective. Not tense or taut; loose: synonym: loose.

adjective. undefined

adjective. Lacking in activity; not busy.

adjective. Moving slowly; sluggish.

adjective. Lacking in diligence or due care or concern; negligent: synonym: negligent.

adjective. Flowing or blowing with little speed.

adjective. Pronounced with the muscles of the tongue and jaw relatively relaxed; lax.

intransitive verb. undefined

intransitive verb. To make looser or less taut.

intransitive verb. To make slower.

intransitive verb. To be careless or remiss in doing.

intransitive verb. To slake (lime).

intransitive verb. To be or become slack.

intransitive verb. To be inactive or avoid work.

noun. A loose part, as of a rope or sail.

noun. A period of little activity; a lull.

noun. undefined

noun. A cessation of movement in a current of air or water.

noun. An area of still water.

noun. Unused capacity.

noun. Casual pants that are not part of a suit.

adverb. In a slack manner.

phrasal verb. To decrease in activity or intensity.

phrasal verb. To work less intensely than is required or expected.

idiom. (cut/give) To make an allowance for (someone), as in allowing more time to finish something.

noun. A mixture of coal fragments, coal dust, and dirt that remains after screening coal.

noun. A small dell or hollow.

noun. A bog; a morass.

In a slack manner; slowly; partially; insufficiently: as, slack dried hops; bread slack baked.

noun. The finer screenings of coal; coal-dirt; especially, the dirt of bituminous coal.

To become slack or slow; slacken; become slower: as, a current of water slacks.

To become less tense, firm, or rigid; decrease in tension.

To abate; become less violent.

To become languid; languish; fail; flag.

To make slack or slow; retard.

To make slack or less tense; loosen; relax: as, to slack a rope or a bandage.

To relax; let go the hold of; lose or let slip.

To make less intense, violent, severe, rapid, etc.; abate; moderate; diminish; hence, to mitigate; relieve.

To be remiss in or neglectful of; neglect.

To make remiss or neglectful.

To slake (lime). See slake, transitive verb, 3.

To cool in water.

To retard the speed of, as a railway-train.

noun. A sloping hillside.

noun. An opening between hills; a hollow where no water runs.

noun. A common.

noun. A morass.

Slow in movement; tardy.

Slow in flow; sluggish or at rest: as, slack water: specifically noting the tide, or the time when the tide is at rest—that is, between the flux and reflux.

Slow in action; lacking in promptness or diligence; negligent; remiss.