Definition of sluggishness noun from the Oxford Advanced Learner's Dictionary

 

sluggishness

 noun
noun
BrE BrE//ˈslʌɡɪʃnəs//
 
; NAmE NAmE//ˈslʌɡɪʃnəs//
 
[uncountable]
 
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the quality of moving, reacting or working more slowly than normal and in a way that seems lazy Symptoms include increased appetite, weight gain and general sluggishness. In the face of global economic sluggishness, travel agents are offering highly competitive prices.