This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
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adj. Lacking energy or enthusiasm; listless.

adj. Lacking energy, drive, motivation or emotion. Enervated.

adj. Destitute of spirit; wanting animation; wanting cheerfulness; dejected; depressed.

adj. Destitute of vigor; wanting life, courage, or fire.

adj. Having no breath; extinct; dead.

Having no breath; extinct; dead.

Having no spirit, vigor, courage, or fire; without one's customary vivacity; wanting cheerfulness; dejected; depressed.

adj. evidencing little spirit or courage; overly submissive or compliant

adj. lacking ardor or vigor or energy

"The evening was passed in spiritless conversation, or in listening to the piano-forte, upon which Indiana, with the utmost difficulty, played some very easy lessons."

submissive    bloodless    heartless    apathetic    dispirited    thin    listless   

spiritlessly    spiritlessness   

dejected    depressed    extinct    dead    lifeless    dull    languid   

listless    apathetic    nerveless    unresponsive    uninterested    lifeless    undecided    dejected    inert    torpid