unreasonable
adj/ʌnˈɹiːz.(ə)nə.bl̩/
Etymology From Middle English unresonable, equivalent to un- + reasonable, originally partly after Latin irratiōnābilis.
1
Without the ability to reason; unreasoning.
- 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!c. 1591–1595 (date written), William Shakespeare, “The Tragedie of Romeo and Ivliet”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act III, scene iii]:
2
Not reasonable; going beyond what could be expected or asked for.
- For it seemeth to me vnreasonable, to send a prisoner, and not withall to signifie the crimes laid against him.1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], →OCLC, Acts 25:27:
- 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.1791 (date written), Mary Wollstonecraft, “Duty to Parents”, in A Vindication of the Rights of Woman: With Strictures on Political and Moral Subjects, London: […] J[oseph] Johnson, […], published 1792, →OCLC, page 358:
1 more example
- The groups claimed the administration’s planned operations targeted the city for its sanctuary status and amount to a violation of their First Amendment right to free speech and Fourth Amendment protections against unreasonable search and seizure, according to the court filing .2025 January 26, Priscilla Alvarez, Rosa Flores, “Trump administration launches nationwide immigration enforcement blitz”, in CNN, archived from the original on 09 Mar 2025:
- Derived terms
- Wednesbury unreasonable, unreasonableness, unreasonably