listless
1. [ adjective ] lacking zest or vivacity
Examples:

"he was listless and bored"

Related terms: lethargic
2. [ adjective ] marked by low spirits; showing no enthusiasm
Synonyms: dispirited
Examples:

"a dispirited and divided Party" "reacted to the crisis with listless resignation"

Related terms: spiritless
Similar spelling:   listlessly
  lightless
  Lightle
  lightly
  licitly