slackness

Definitions of slackness
1

n the quality of being loose (not taut)

“he hadn't counted on the slackness of the rope”
Synonyms:
slack
Type of:
looseness, play
movement or space for movement

n the quality of being lax and neglectful

Synonyms:
laxity, laxness, remissness
Type of:
neglect, neglectfulness, negligence
the trait of neglecting responsibilities and lacking concern

n weakness characterized by a lack of vitality or energy

Synonyms:
inanition, lassitude, lethargy
Type of:
weakness
the property of lacking physical or mental strength; liability to failure under pressure or stress or strain

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