Inactive

inactive
    adj 1: (chemistry) not participating in a chemical reaction;
           chemically inert; "desired amounts of inactive chlorine"
    2: (pathology) not progressing or increasing; or progressing
       slowly [ant: {active}]
    3: (military) not involved in military operations [syn:
       {nonoperational}, {inactive}] [ant: {operational}]
    4: not exerting influence or change [ant: {active}]
    5: (of e.g. volcanos) not erupting and not extinct ; "a dormant
       volcano" [syn: {dormant}, {inactive}] [ant: {active}]
    6: lacking in energy or will; "Much benevolence of the passive
       order may be traced to a disinclination to inflict pain upon
       oneself"- George Meredith [syn: {passive}, {inactive}] [ant:
       {active}]
    7: lacking activity; lying idle or unused; "an inactive mine";
       "inactive accounts"; "inactive machinery" [ant: {active}]
    8: not engaged in full-time work; "inactive reserve"; "an
       inactive member" [ant: {active}]
    9: not active physically or mentally; "illness forced him to
       live an inactive life"; "dreamy and inactive by nature" [ant:
       {active}]
    10: not in physical motion; "the inertia of an object at rest"
        [syn: {inactive}, {motionless}, {static}, {still}]
    

Inactive \In*ac"tive\, a. [Pref. in- not + active: cf. F.
   inactif.]
   [1913 Webster]
   1. Not active; having no power to move; that does not or can
      not produce results; inert; as, matter is, of itself,
      inactive.
      [1913 Webster]

   2. Not disposed to action or effort; not diligent or
      industrious; not busy; idle; as, an inactive officer.
      [1913 Webster]

   3. (Chem. & Opt.) Not exhibiting any action or activity on
      polarized light; {optically inactive}; optically neutral;
      -- said of isomeric forms of certain substances, in
      distinction from other forms which are optically active;
      as, racemic acid is an inactive tartaric acid.
      [1913 Webster]

   4. (Chem. & Biochem.) Lacking biological or biochemical
      activity; not causing a specific biological or biochemical
      effect; -- said of substances such as enzymes which have
      lost their catalytic power, or of small molecules which
      are tested for some type of biological activity and found
      to lack that activity; as, after boiling for ten minutes,
      the enzyme was totally inactive; the methyl analog was
      inactive as an antibiotic.
      [PJC]

   Syn: Inert; dull; sluggish; idle; indolent; slothful; lazy.
        See {Inert}.
        [1913 Webster]
    

94 Moby Thesaurus words for "inactive":
      abeyant, apathetic, asleep, at a standstill, cataleptic, catatonic,
      contemplative, dead, deliberate, disengaged, do-nothing, dopey,
      dormant, dull, easy, flat, foul, groggy, hasteless, heavy, idle,
      immobile, in abeyance, in suspense, inanimate, indolent, inert,
      inoperative, jobless, lackadaisical, laissez-aller, laissez-faire,
      languid, languorous, latent, lazy, leaden, leisurely, lethargic,
      lifeless, listless, logy, meditative, motionless, neuter, neutral,
      ossified, out of work, pacific, paralytic, paralyzed, passive,
      peaceful, phlegmatic, placid, procrastinating, quiescent, quiet,
      quietist, quietistic, relaxed, resting, sedentary, serene, slack,
      sleeping, sleepy, slothful, slow, sluggish, slumbering, smoldering,
      somnolent, stagnant, stagnating, standing, standpat, static,
      stationary, still, supine, suspended, tame, torpid, tranquil,
      unactive, unaroused, unemployed, unhasty, unhurried, unmoving,
      unoccupied, vegetable, vegetative