inactiveness

in·ac·tive  (n-ktv)

adj.

1. Not active or tending to be active.

2.

a. Not functioning or operating; out of use: inactive machinery.

b. Not being in continuous use or operation: an inactive brokerage account.

3. Retired from duty or service.

4. Chemistry Not readily participating in chemical reactions; inert.

5. Biology Marked by the absence or reduction of activity, such as the ability to cause infection.

6. Medicine Quiescent. Used especially of a disease.

7. Physics Showing no optical activity in polarized light.

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in·active·ly adv.

inac·tivi·ty, in·active·ness n.

Synonyms: inactive, idle, inert, passive, dormant, torpid, supine
These adjectives mean not involved in or disposed to movement or activity. Inactive simply indicates absence of activity: retired but not inactive; an inactive factory.
Idle refers to persons who are not doing anything or are not busy: employees idle because of the strike.
It also refers to what is not in use or operation: idle machinery.
Inert describes things powerless to move themselves or to produce a desired effect; applied to persons, it implies lethargy or sluggishness, especially of mind or spirit: "The Honorable Mrs. Jamieson . . . was fat and inert, and very much at the mercy of her old servants" (Elizabeth C. Gaskell).
Passive implies being reactive instead of proactive: "in an hour like this, when the mind has a passive sensibility, but no active strength" (Nathaniel Hawthorne).
Dormant refers principally to a state of suspended activity but often implies the possibility of renewal: dormant feelings of affection.
Torpid suggests sluggishness or apathy: "It is a man's own fault, it is from want of use, if his mind grows torpid in old age" (Samuel Johnson).
Supine implies abject lack of will: "No other colony showed such supine, selfish helplessness in allowing her own border citizens to be mercilessly harried" (Theodore Roosevelt).

Thesaurus

Noun	1.	inactiveness - the state of being inactive inaction, inactivity state - the way something is with respect to its main attributes; "the current state of knowledge"; "his state of health"; "in a weak financial state" abeyance, suspension - temporary cessation or suspension anergy - inactivity and lack of energy halt, stoppage, arrest, hitch, stay, stop, check - the state of inactivity following an interruption; "the negotiations were in arrest"; "held them in check"; "during the halt he got some lunch"; "the momentary stay enabled him to escape the blow"; "he spent the entire stop in his seat" calcification - an inflexible and unchanging state; "the calcification of negotiations" deep freeze - temporary inactivity or suspension; "the legislation has now been revived after ten years in the deep freeze" desuetude - a state of inactivity or disuse dormancy, quiescence, quiescency - a state of quiet (but possibly temporary) inaction; "the volcano erupted after centuries of dormancy" extinction - no longer active; extinguished; "the extinction of the volcano" holding pattern - a state of inaction with no progress and no change; "you should go into a holding pattern until he gets over his disappointment" rest - a state of inaction; "a body will continue in a state of rest until acted upon" doldrums, stagnation, stagnancy - a state of inactivity (in business or art etc); "economic growth of less than 1% per year is considered to be economic stagnation" stagnancy, stagnation - inactivity of liquids; being stagnant; standing still; without current or circulation stasis - inactivity resulting from a static balance between opposing forces activeness, activity, action - the state of being active; "his sphere of activity"; "he is out of action"
	2.	inactiveness - a disposition to remain inactive or inert; "he had to overcome his inertia and get back to work" inertia, inactivity trait - a distinguishing feature of your personal nature languor, lethargy, phlegm, sluggishness, flatness - inactivity; showing an unusual lack of energy; "the general appearance of sluggishness alarmed his friends" restfulness - the attribute of being restful; "he longed for the restfulness of home" passivity, passiveness - the trait of remaining inactive; a lack of initiative indolence, laziness - inactivity resulting from a dislike of work activeness, activity - the trait of being active; moving or acting rapidly and energetically; "the level of activity declines with age"