“+ adjective
Etymology: in- (I) + logical
1. : not observing the principles of logic : reasoning unsoundly through ignorance or negligence of logic
the speaker seemed most illogical as he developed his argument
2. : contrary to or devoid of logic
this policy was extremely illogical — Aiden Mulloy
illogical resentment against a group of his friends — W.F. de Morgan
• il·logically “+ adverb
• il·logicalness “+ noun