Is There a Word Lifelessness?

A lack of excitement, liveliness, or interest: asepticism, blandness, colorlessness, drabness, dreariness, dryness, dullness, flatness, flavorlessness, insipidity, insipidness, jejuneness, sterileness, sterility, stodginess, vapidity, vapidness, weariness.

What is the meaning of lifelessness?

: having no life: a : dead. b : inanimate. c : lacking qualities expressive of life and vigor : insipid.

Is lifeless the same as dead?

If a person or animal is lifeless, they are dead, or are so still that they appear to be dead.