listless

Adjective

1. Lacking energy, enthusiasm, or liveliness.
   • I passed whole days on the lake alone in a little boat, watching the clouds, and listening to the rippling of the waves, silent and listless. - 1816 June – 1817 April/May (date written), [Mary Shelley], chapter I, in...
   • What an entirely different set of beings were those Stokesley children in lesson-time. . . . Poor, listless, stolid, deplorable logs, with bowed backs and crossed ankles, pipy voices and heavy eyes! - 1861, Charlotte M....
   • The scene with Mrs. Wallace had broken his spirit, and he was listless now, indifferent to what happened. - 1901, William Somerset Maugham, chapter 21, in The Hero:

   Synonyms: languid spiritless adiaphroistic apathetic apathistical blasé blithe deaf cool shiftless dispassionate dull enervated gallionic halfhearted heartless impassive ineffervescible insouciant indifferent insensible jaded languorous Laodicean