(intransitive) To slacken or lessen; to become less intense. / (transitive) To do (something) less intensely.

plural of slackcom

(UK) A sitcom which revolves around a slacker or slackers.

(forestry, mining, sports) A length of cable, rope, or webbing that hangs loosely from its points of suspension.

(sports) To engage in the sport of slacklining.

One who slackens. / Part of a loom that slackens the threads.

plural of slackener

Someone who walks on a slackline, often as a form of sport.

plural of slackliner

simple past tense and past participle of slackline