slackened Definition

slack¹
adj

1. Limp or loose; not pulled or stretched tight.

Thesaurus: relaxed, limp, flaccid, loose, lax; Antonym: rigid, stiff.
2. Not careful or diligent; lax or remiss.

Thesaurus: remiss, negligent, inattentive, idle, lazy, sluggish, tardy; Antonym: diligent, active, busy, quick.
3. Not busy.

Example: Business is a bit slack these days
4. Said of the tide, etc: still; neither ebbing nor flowing.
5. phonetics.
Pronounced with the tongue relaxed; lax.

adverb

1. In a slack manner; partially.

noun

1a. A loosely hanging part, especially of a rope.
1b. The degree of looseness in such a part.

Thesaurus: excess, give, leeway, room, play.
2. A period of little trade or other activity.

verb slacked, slacking, slackened, slackening

intr
1. To become slower; to slow one's working pace through tiredness or laziness

Example: Stop slacking!
Thesaurus: slow down, relax, tire, abate, decrease, reduce, diminish, lessen, flag, fall; Antonym: tighten, quicken, increase.
Form: slack off (also)
Form: slack up
tr & intr
2. To make or become looser.
intr
3. To become less busy.

Example: work is slackening off for the winter
4. To fail or flag.
tr & intr
5. To make or become less rigid and more easy or relaxed.

Etymology: Anglo-Saxon slæc.