1. moving or operating more slowly than normal or desired
2. lacking energy or alertness; mentally or physically inactive

Examples

• The old computer was sluggish and took forever to start up.
• After the heavy meal, I felt sluggish and wanted to take a nap.
• Traffic was sluggish during the morning rush hour.
• The sluggish economy showed little sign of improvement.
• She gave a sluggish response to the teacher’s question.
• The river’s sluggish current made it perfect for canoeing.
• His sluggish movements suggested he wasn’t feeling well.