Adverb
in a listless manner
Source: WordNetThe "democracy gap" in our politics and elections spells a deep sense of powerlessness by people who drop out, do not vote, or listlessly vote for the "least worst” every four years and then wonder why after every cycle the "least worst” gets worse. Ralph Nader
they shook hands rather listlessly Source: Internet
But as she delivers these drops of wisdom, she takes up a lackadaisical pose, listlessly pulling her earrings in and out of her ears. Source: Internet
On the opposite extreme, other captive dolphins may float listlessly at the surface of the water, a stereotypic behavior known as “logging,” or deliberately beach themselves on a platform or stage. Source: Internet