#1
slackness n. [
inanition, lassitude, lethargy] weakness characterized by a lack of vitality or energy
. wn #2
slackness n. [
slack] the quality of being loose (not taut); "he hadn't counted on the slackness of the rope"
. wn #3
slackness n. [
laxness, laxity, remissness] the quality of being lax and neglectful
. wn