Lifeless adjective – No longer living. Sluggish is a synonym for lifeless in dull topic. In some cases you can use "Sluggish" instead an adjective "Lifeless", when it comes to topics like inactive. Nearby Words: life, lifelessly
Sluggish adjective – Moving or proceeding at less than the normal, desirable, or required speed. Lifeless is a synonym for sluggish in dull topic. You can use "Lifeless" instead an adjective "Sluggish", if it concerns topics such as inactive, lethargic. Nearby Words: sluggishness, sluggishly