lackadaisical

Adjective

• idle or indolent especially in a dreamy way
  • she was annoyingly lackadaisical and impractical
    
  • a...lackadaisical, spiritless young man-about-town- P.G.Wodehouse
    

• lacking spirit or liveliness
  • a lackadaisical attempt
    
  • a languid mood
    
  • a languid wave of the hand
    
  • a hot languorous afternoon
    

Related words

• Synonyms: 
  dreamy , languid , languorous