sluggishness
2 antonyms for sluggishness — opposites grouped by meaning.
Noun — The state of being slow to act or react.
Synonyms by Meaning
1. noun
The state of being slow to act or react.
Opposites
2. noun
(economics) A period when an economy is weak, inactive or growing more slowly than usual.
“And we see such interdependence even more clearly in their economic performance: China’s annual GDP growth rate, for example, will slow by two percentage points this year, owing to sluggishness in the United States and the EU.”
Opposites