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irrational

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irrational


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Irrational  \Ir*ra"tion*al\,  a.  [L.  irrationalis:  cf  F. 
  irrationnel  See  {In-}  not  and  {Rational}.] 
  1.  Not  rational;  void  of  reason  or  understanding;  as  brutes 
  are  irrational  animals. 
 
  2.  Not  according  to  reason;  absurd;  foolish. 
 
  It  seemed  utterly  irrational  any  longer  to  maintain 
  it  --I.  Taylor. 
 
  3.  (Math.)  Not  capable  of  being  exactly  expressed  by  an 
  integral  number,  or  by  a  vulgar  fraction;  surd;  --  said 
  especially  of  roots.  See  {Surd}. 
 
  Syn:  Absurd;  foolish;  preposterous;  unreasonable;  senseless. 
  See  {Absurd}. 
 
  From  WordNet  r  1.6  [wn]: 
 
  irrational 
  adj  1:  not  consistent  with  or  using  reason;  "irrational  fears"; 
  "irrational  animals"  [ant:  {rational}] 
  2:  (math)  real  but  not  expressible  as  the  quotient  of  two 
  integers;  "irrational  numbers"  [ant:  {rational}] 




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