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

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adj. Unable to move or act.

adj. Sluggish in action or motion; lethargic. See Synonyms at inactive.

adj. Chemistry Not readily reactive with other elements; forming few or no chemical compounds.

adj. Having no pharmacologic or therapeutic action.

adj. Unable to move or act; inanimate.

adj. Sluggish or lethargic.

adj. In chemistry, not readily reacting with other elements or compounds.

adj. Having no therapeutic action.

n. A substance that does not react chemically.

adj. Destitute of the power of moving itself, or of active resistance to motion.

adj. Indisposed to move or act; very slow to act; sluggish; dull; inactive; indolent; lifeless.

adj. Not having or manifesting active properties; not affecting other substances when brought in contact with them; powerless for an expected or desired effect.

Having no inherent power of action, motion, or resistance; without inherent force; inanimate; lifeless: applied to matter in its intrinsic character: as, an inert mass of clay; an inert corpse.

Indisposed or unable to move or act; inactive; sluggish: as, an inert drug.

adj. slow and apathetic

adj. unable to move or resist motion

adj. having only a limited ability to react chemically; chemically inactive

"Merck said small pieces of the shrink wrap, which it called an "inert carbon material," can stick to the inside of product vials and turn brown during the sterilization process."

inactive    unmoving    nonmoving    unreactive   

inactive    dull    sluggish    lazy    apathetic    incorrosive    inert pupa    inertia   

inert gas   

inactive    dull    slothful    stupid    indolent    passive    irresolute    lifeless    lazy    sluggish   

Bert    Curt    Evert    Insert    Kurt    alert    assert    avert    birt    blurt   

inactive    lifeless    unable    passive    inanimate    limp    indifferent    insensible    listless    numb