illogical

形容词 illogical:

1. lacking in correct logical relation
   同义词：unlogical
2. lacking orderly continuity
   同义词：confused, disconnected, disjointed, disordered, garbled, scattered, unconnected

1. A fallacious or illogical argument or conclusion.
   不合逻辑的推论，谬论错误的或不合逻辑的观点或结论
2. It seems illogical to change the timetable so often.
   时间表变动得如此频繁，似乎没有什麽道理。

il.log.i.cal

adj.（形容词）
Contradicting or disregarding the principles of logic.
不合逻辑的：与逻辑原则相悖的或不顾逻辑原则的
Without logic; senseless.
无理的：缺少逻辑的；无意义的

【引伸】
illog.ical.ity
illog.ically
adv.（副词）