different between unreasonable vs illogical

English

Etymology

From un- +? reason +? -able.

Pronunciation

• IPA^(key): /?n??i?z(?)n?bl?/
• Hyphenation: un?rea?son?able

Adjective

unreasonable (comparative more unreasonable, superlative most unreasonable)

1. Without the ability to reason; unreasoning.
   • c. 1594, William Shakespeare, Romeo and Juliet, Act III, Scene 3,^[1]

     Hold thy desperate hand:

     Art thou a man? thy form cries out thou art:

     Thy tears are womanish; thy wild acts denote

     The unreasonable fury of a beast:

     Unseemly woman in a seeming man!

2. Not reasonable; going beyond what could be expected or asked for.
   • 1611, King James Version of the Bible, Acts 25:27,^[2]

     For it seemeth to me unreasonable to send a prisoner, and not withal to signify the crimes laid against him.

   • 1792, Mary Wollstonecraft, A Vindication of the Rights of Woman, Chapter 11,^[3]

     The will of those who never allow their will to be disputed, unless they happen to be in a good humour, when they relax proportionally, is almost always unreasonable.

   Antonym: reasonable

Derived terms

• unreasonableness
• unreasonably

Translations

English

Etymology

From il- +? logical.

Adjective

illogical (comparative more illogical, superlative most illogical)

1. Contrary to logic; lacking sense or sound reasoning.

   Synonyms: absurd, irrational, unreasoning, unsound

   Antonym: logical

Derived terms

Translations

See also

• illogic