(/ˈlɪstləsli/)
Adverb
1. Lacking energy, enthusiasm, or liveliness.
BOWLING LANE
A ball rumbles in to scatter ten pins. Walter turns from the lane to where the Dude sits in the nook of molded plastic chairs. The Dude listlessly holds the portable phone in his lap. It is ringing.WALTER
Aitz chaim he, Dude. As the ex used to say.
From the post: English Vocabulary from the movie “The Big Lebowski”
Source: Big Lebowski, The Script at IMSDb. (imsdb.com)