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invalidate

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invalidate


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Invalidate  \In*val"i*date\,  v.  t.  [imp.  &  p.  p.  {Invalidated}; 
  p.  pr  &  vb  n.  {Invalidating}.]  [From  {Invalid}  null.] 
  To  render  invalid;  to  weaken  or  lessen  the  force  of  to 
  destroy  the  authority  of  to  render  of  no  force  or  effect;  to 
  overthrow;  as  to  invalidate  an  agreement  or  argument. 
 
  From  WordNet  r  1.6  [wn]: 
 
  invalidate 
  v  1:  declare  invalid;  "The  contract  was  annulled";  "avoid  a  plea" 
  [syn:  {annul},  {quash},  {void},  {avoid},  {nullify}] 
  [ant:  {validate}] 
  2:  of  cheques  or  tickets  [syn:  {cancel}] 
  3:  show  to  be  invalid  [syn:  {nullify}]  [ant:  {validate}] 
  4:  take  away  the  legal  force  of  or  render  ineffective; 
  "invalidateas  a  contract"  [syn:  {void},  {vitiate}]  [ant:  {validate}] 




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