Illogical vs. Unlogical — What's the Difference?

Contradicting or disregarding the principles of logic.

(rare) Not logical; illogical

Without logic; senseless.

Lacking in correct logical relation

Contrary to logic; lacking sense or sound reasoning.

Ignorant or negligent of the rules of logic or correct reasoning; as, an illogical disputant; contrary of the rules of logic or sound reasoning; as, an illogical inference.

Lacking in correct logical relation

Lacking orderly continuity;