Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

unreasonable

play
adjective un·rea·son·able \-ˈrēz-nə-bəl, -ˈrē-zən-ə-bəl\

Simple Definition of unreasonable

  • : not fair, sensible, or appropriate : not reasonable

Full Definition of unreasonable

  1. 1 a :  not governed by or acting according to reason <unreasonable people> b :  not conformable to reason :  absurd <unreasonable beliefs>

  2. 2 :  exceeding the bounds of reason or moderation <working under unreasonable pressure>

un·rea·son·able·ness play \-nəs\ noun
un·rea·son·ably play \-blē\ adverb

Examples of unreasonable

  1. I told him that I wouldn't pay unless he sent me a replacement. Am I being unreasonable?

  2. You are entitled to compensation for unreasonable delays.



14th Century

First Known Use of unreasonable

14th century

Rhymes with unreasonable



Seen and Heard

What made you want to look up unreasonable? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 7, 2016

a slight offense

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

spindrift duvet kittly-benders pince-nez
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ