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unreasonable

/ʌnˈɹiːz.(ə)nə.bl̩/adjective4 syllables

Unreasonable means: not reasonable; not showing good judgment.

Synonyms for unreasonable15

adjective, as in not reasonable; not showing good judgment

counterintuitive, indefensible, untenable, mindless, reasonless, senseless, undue, unjustified, unwarranted, illogical, unlogical, immoderate, irrational

adjective, as in beyond normal limits

excessive, inordinate, undue, immoderate

Opposites of unreasonable

reasonable

What does unreasonable mean?2

adjective

1

not reasonable; not showing good judgment

2

beyond normal limits“excessive charges”

Definitions from the Open English WordNet, CC BY 4.0.

Unreasonable in a sentence

  • The salesman sold the article at an unreasonable price.unknown
  • It is not unreasonable to think that these people were excluded from the community.MrShoval
  • You must not give in to his unreasonable demands.CK
  • He cannot have said such an unreasonable thing.CM
  • She asked me for an unreasonable sum of money.CK
  • Ziri's representation of the world is distorted by unreasonable fears.Amastan
  • I don't think that this is an unreasonable request to make.CK
  • I don't think that this is an unreasonable request.CK

Sentences from Tatoeba, CC BY 2.0 FR, credited to their authors.