1  definition  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Betray  \Be*tray"\  (b[-e]*tr[=a]"),  v.  t.  [imp.  &  p.  p. 
  {Betrayed}  (-tr[=a]d");  p.  pr  &  vb  n.  {Betraying}.]  [OE. 
  betraien  bitraien  pref.  be-  +  OF  tra["i]r  to  betray,  F. 
  trahir  fr  L.  tradere  See  {Traitor}.] 
  1.  To  deliver  into  the  hands  of  an  enemy  by  treachery  or 
  fraud,  in  violation  of  trust;  to  give  up  treacherously  or 
  faithlessly;  as  an  officer  betrayed  the  city. 
 
  Jesus  said  unto  them  The  Son  of  man  shall  be 
  betrayed  into  the  hands  of  men.  --Matt.  xvii. 
  22. 
 
  2.  To  prove  faithless  or  treacherous  to  as  to  a  trust  or  one 
  who  trusts;  to  be  false  to  to  deceive;  as  to  betray  a 
  person  or  a  cause 
 
  But  when  I  rise,  I  shall  find  my  legs  betraying  me 
  --Johnson. 
 
  3.  To  violate  the  confidence  of  by  disclosing  a  secret,  or 
  that  which  one  is  bound  in  honor  not  to  make  known 
 
  Willing  to  serve  or  betray  any  government  for  hire. 
  --Macaulay. 
 
  4.  To  disclose  or  discover,  as  something  which  prudence  would 
  conceal;  to  reveal  unintentionally. 
 
  Be  swift  to  hear,  but  cautious  of  your  tongue,  lest 
  you  betray  your  ignorance.  --T.  Watts. 
 
  5.  To  mislead;  to  expose  to  inconvenience  not  foreseen  to 
  lead  into  error  or  sin. 
 
  Genius  .  .  .  often  betrays  itself  into  great  errors. 
  --T.  Watts. 
 
  6.  To  lead  astray,  as  a  maiden;  to  seduce  (as  under  promise 
  of  marriage)  and  then  abandon. 
 
  7.  To  show  or  to  indicate;  --  said  of  what  is  not  obvious  at 
  first  or  would  otherwise  be  concealed. 
 
  All  the  names  in  the  country  betray  great  antiquity. 
  --Bryant. 

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