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

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n. The condition or quality of being passive; inactivity, quiescence, or submissiveness.

n. The state of being passive.

n. Submissiveness.

n. A lack of initiative.

n. Passiveness; -- opposed to activity.

n. The tendency of a body to remain in a given state, either of motion or rest, till disturbed by another body; inertia.

n. The quality or condition of any substance which has no inclination to chemical activity; inactivity.

Same as passiveness.

n. the trait of remaining inactive; a lack of initiative

n. submission to others or to outside influences

"He also expressed disappointment at what he called the passivity of neighboring states, including South Africa, in the face of the suffering of Zimbabweans."

activity   

submissiveness   

patient    passionate    patience    passive    passion   

passiveness    inertia    inactivity   

activity    aggressivity    connectivity    expressivity    hyperactivity    inactivity    interactivity    objectivity    oversensitivity    productivity   

lethargy    helplessness    insignificance    inactivity    inanition    stagnation    renunciation    indecision    inertia    listlessness