He adjective illogical is used to rate what results contrary to logic . The illogical, therefore, is opposite of the rational or the coherent .
For example: "It is illogical that they want to charge me fifty pesos for this product when two days ago I paid twelve pesos", "Taking into account the differences that exist between both teams, it would be illogical that the local team does not get the victory", “Explain to me why we have to wait in the rain when there is an empty room a few meters from here: it is illogical”.
To understand what can be described as illogical, it is first necessary to know what the logic . Although the concept has several meanings, in this case we are interested in its meaning as the way of acting and thinking sensible: that is, judicious and thoughtful. The logical, in this way, makes common sense.
In this way, the illogical is not judicious or thoughtful and lacks common sense . Suppose a young man who is unemployed claims that he is avoiding unnecessary expenses so as not to exhaust his savings. However, every weekend he goes out to dinner, drinks in bars and goes to discos. As you can see, the boy's behavior is illogical, since it contradicts his own statement. Someone who does not have a job and who intends to minimize expenses should not allocate their money to leisure activities that can be dispensed with.
Let us now take the case of someone who wants to lose weight but, instead of consuming low-calorie and natural foods, eat junk food every day: hamburgers, french fries, etc. This diet It is illogical because it will generate the opposite effect to the desired one.