Adjective lifeless has 4 senses
  1. lifeless, exanimate - deprived of life; no longer living; "a lifeless body"
    Antonym: alive (indirect, via dead)
  2. lifeless - destitute or having been emptied of life or living beings; "after the dance the littered and lifeless ballroom echoed hollowly"
    Antonym:
    full (indirect, via empty)
  3. dead, lifeless - lacking animation or excitement or activity; "the party being dead we left early"; "it was a lifeless party until she arrived"
    Antonyms: animated, alive (indirect, via unanimated)
  4. lifeless - not having the capacity to support life; "a lifeless planet"
    Antonym:
    live (indirect, via dead)
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