Look up: irrational

1. irrational
   [adj] - (math) real but not expressible as the quotient of two integers 2. [adj] - not consistent with or using reason
   Found on http://www.webdictionary.co.uk/definitio
   
   
2. Irrational
   Not consistent with or using reason; 'irrational fears'
   Found on http://www.dwp.gov.uk/medical/med_condit
   
   
3. Irrational
   Ir·ra'tion·al adjective [ Latin irrationalis : confer French irrationnel . See In- not, and Rational .] 1. Not rational; void of reason or understanding; as, brutes are irrational animals. 2. Not a...
   Found on http://www.encyclo.co.uk/webster/I/97
   
   
4. irrational
   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. <mathematics> Not capable of being exactly expressed by an integral number, or by a...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
5. irrational
   adjective real but not expressible as the quotient of two integers; `irrational numbers`
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
6. irrational
   adjective not consistent with or using reason; `irrational fears`; `irrational animals`
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
7. Irrational
   • (a.) Not rational; void of reason or understanding; as, brutes are irrational animals. • (a.) Not according to reason; absurd; foolish. • (a.) Not capable of being exactly expressed by an integral number, or by a vulgar fraction; surd; -- said especially of roots. See Surd.
   Found on http://thinkexist.com/dictionary/meaning
   
   
8. irrational
   impossible to explain reasonably
   Found on http://www.eslgold.com/acad_vocab_defini
   
   
9. irrational
   Type: Term Pronunciation: i-rash′ŭn-ăl Definitions: 1. Not rational; unreasonable (contrary to reason) or unreasoning (not exercising reason).
   Found on http://www.medilexicon.com/medicaldictio