listless vs looking

listless

adj
  • Lacking energy, enthusiasm, or liveliness. 

looking

verb
  • as the last part of compound adjectives: relating to or having the appearance of. 

  • dorky-looking 

noun
  • The act of one who looks; a glance. 

How often have the words listless and looking occurred in a corpus of books? (source: Google Ngram Viewer )