Pronunciation: [slˈaknəs] (IPA) 
The spelling of the word "slackness" can be confusing because of its silent "k". In IPA phonetic transcription, it is spelled as /ˈslæk.nəs/. The first syllable, "slack," is pronounced with a short "a" sound and the "k" is silent. The second syllable, "-ness," is pronounced with a schwa sound in the first syllable and a short "i" sound in the second syllable. Overall, "slackness" refers to a lack of tightness, tension, or strictness.
Slackness refers to the state or quality of being slack, which can be defined in several ways. Firstly, slackness can refer to a lack of tension, rigidity, or tightness. In this sense, it denotes something loose or relaxed instead of being firmly stretched or taut. For example, a slack rope is one that hangs loosely without tension. It can also describe a garment that is loose-fitting and not tightly cinched.
Secondly, slackness can allude to a lack of effort, diligence, or productivity. It pertains to a state of being lazy, negligent, or indolent, where one does not put in the required amount of work, effort, or attention to complete tasks or responsibilities effectively. In this context, slackness is considered a negative trait, as it reflects a decline in efficiency or quality due to a lack of motivation or dedication. It can also be used to describe a workspace or organization that lacks discipline or productivity, characterized by a general decrease in output or performance.
Furthermore, slackness can refer to a lack of strictness, control, or adherence to rules or standards. It signifies a lenient or permissive attitude towards regulations, resulting in a relaxation of constraints or guidelines. This laxity can lead to a decline in discipline or order, potentially causing a decrease in effectiveness, safety, or compliance.
Overall, slackness can denote various meanings depending on the context, encompassing ideas related to looseness, laziness, negligence, and leniency.
Looseness; inattention; slowness.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word "slackness" is derived from the noun "slack", which originated from Middle English "slak" and Old English "slaec". This Old English term is believed to be derived from the Proto-Germanic root "*slakaz", meaning "slack" or "relaxed". The word "slackness" emerged in the late 14th century, signifying the quality or state of being slack, loose, or negligent.
