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

See also: abeyant, activeness, activity, dark, dead, dead-end, deskbound, desk-bound, dormancy, dormant, dozy [Brit, informal], dull, flat, hands-off, hypoactive, idle, indolent, inert, latent, lethargic, nonmoving, off, passiveness, passivity, quiescence, quiescency, quiescent, resistless, retired, sedentary, sleeping, slow, sluggish, strikebound, supine, torpid, underactive, unenergetic, unmoving, unreactive, unresisting, unused

Antonym: active, operational

Encyclopedia: Inactive