2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Inactive  \In*ac"tive\,  a.  [Pref.  in-  not  +  active:  cf  F. 
  inactif.] 
  1.  Not  active;  having  no  power  to  move  that  does  not  or  can 
  not  produce  results;  inert;  as  matter  is  of  itself 
  inactive. 
 
  2.  Not  disposed  to  action  or  effort;  not  diligent  or 
  industrious;  not  busy;  idle;  as  an  inactive  officer. 
 
  3.  (Chem.  &  Opt.)  Not  active;  inert;  esp.,  not  exhibiting  any 
  action  or  activity  on  polarized  light;  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. 
 
  Syn:  Inert;  dull;  sluggish;  idle;  indolent;  slothful;  lazy. 
  See  {Inert}. 
 
  From  WordNet  r  1.6  [wn]: 
 
  inactive 
  adj  1:  not  participating  in  a  chemical  reaction;  "desired  amounts 
  of  inactive  chlorine" 
  2:  (pathology)  not  progressing  or  increasing;  or  progressing 
  slowly  [ant:  {active}] 
  3:  not  active  or  exerting  influence  [ant:  {active}] 
  4:  of  e.g.  volcanos;  permanently  inactive;  "an  extinct  volcano" 
  [syn:  {extinct}]  [ant:  {active},  {dormant}] 
  5:  of  e.g.  volcanos;  temporarily  inactive;  "a  dormant  volcano" 
  [syn:  {dormant}]  [ant:  {extinct},  {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}]  [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"  (military) 
  ;  "an  inactive  member  of  the  department"  [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  engaged  in  military  action  [syn:  {reserve(a)}] 
  11:  not  in  physical  motion;  "the  inertia  of  an  object  at  rest" 
  [syn:  {at  rest},  {motionless},  {static},  {still}] 
  12:  temporarily  inactive  [syn:  {abeyant},  {in  abeyance(p)},  {suspended}] 

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