draggingly

adverb2

1. •
   In a way that drags; with a dragging motion.

   • "The harpoon," said Ahab, half way rising, and draggingly leaning on one bended arm — "is it safe?" — 1851
2. •
   Slowly; with reluctance, or as if held back.

   • The children began to sing draggingly. Half a dozen carried the first verse through alone. — 1913