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English definition of “illogical”

illogical

adjective     /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     /-i/ adverb Stupid and sillyOf unsound mindLogic and reason illogicality     /ɪˌlɒdʒ.ɪˈkæl.ɪ.ti/ US  /ɪˌlɑː.dʒɪˈkæl.ə.t̬i/ noun [U] Logic and reason
(Definition of illogical adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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