Read the dictionary definition of lifeless. All definitions for this word.
1. deprived of life; no longer living
1. a lifeless body
2. not having the capacity to support life
1. a lifeless planet
3. lacking animation or excitement or activity
1. the party being dead we left early
2. it was a lifeless party until she arrived
4. destitute or having been emptied of life or living beings
1. after the dance the littered and lifeless ballroom echoed hollowly