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English definition of “illogical”

illogical

adjective uk   /ɪˈlɒdʒ.ɪ.kəl/ us    /-ˈlɑː.dʒɪ-/
not reasonable, wise, or practical, usually because directed by the emotions rather than by careful thought: It is an illogical statement, because if one part is true, then the other must be false.Stupid and sillyOf unsound mindLogic and reason
illogically
adverb uk   /-i/ us  
Stupid and sillyOf unsound mindLogic and reason
illogicality
noun [U] uk   /ɪˌlɒdʒ.ɪˈkæl.ɪ.ti/ us    /ɪˌlɑː.dʒɪˈkæl.ə.t̬i/
Logic and reason
(Definition of illogical from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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