1) ADJ-GRADED If you say that someone is being unreasonable, you mean that they are behaving in a way that is not fair or sensible.

The strikers were being unreasonable in their demands, having rejected the deal two weeks ago...

It was her unreasonable behaviour with a Texan playboy which broke up her marriage...

It's unreasonable to expect your child to behave in a caring way if you behave selfishly.

Derived words:
unreasonably [[t]ʌnri͟ːzənəbli[/t]] ADV

We unreasonably expect near perfect behaviour from our children.

2) ADJ-GRADED An unreasonable decision, action, price, or amount seems unfair and difficult to justify.

...unreasonable increases in the price of petrol...

One in four consumers now say water prices are very unreasonable.

Derived words:
unreasonably ADV usu ADV adj

The banks' charges are unreasonably high.

English dictionary. 2008.


Look at other dictionaries:

  • unreasonable — un·rea·son·able adj: not reasonable: beyond what can be accepted: as a: clearly inappropriate, excessive, or harmful in degree or kind an unreasonable delay an unreasonable restraint of trade b: lacking justification in fact or circumstance an… …   Law dictionary

  • unreasonable — UK US /ʌnˈriːzənəbl/ adjective ► not fair or acceptable: »A merchant is not required to satisfy a customer s unreasonable demands. be unreasonable for sb/sth to do sth »It is not unreasonable for technical jobs to be filled by people with… …   Financial and business terms

  • unreasonable — [adj1] not logical or sensible absurd, all wet*, arbitrary, biased, capricious, contradictory, erratic, fallacious, far fetched, foolish, full of hot air*, headstrong, illogical, incoherent, incongruous, inconsequential, inconsistent, invalid,… …   New thesaurus

  • Unreasonable — Un*rea son*a*ble, a. Not reasonable; irrational; immoderate; exorbitant. {Un*rea son*a*ble*ness}, n. {Un*rea son*a*bly}, adv. [1913 Webster] …   The Collaborative International Dictionary of English

  • unreasonable — (adj.) mid 14c., from UN (Cf. un ) (1) not + REASONABLE (Cf. reasonable). Related: Unreasonably …   Etymology dictionary

  • unreasonable — *irrational Analogous words: absurd, preposterous, *foolish, silly: *simple, fatuous, asinine: *excessive, immoderate, inordinate Antonyms: reasonable …   New Dictionary of Synonyms

  • unreasonable — ► ADJECTIVE 1) not guided by or based on good sense. 2) beyond the limits of acceptability. DERIVATIVES unreasonableness noun unreasonably adverb …   English terms dictionary

  • unreasonable — [un rē′zənə bəl] adj. not reasonable; specif., a) having or showing little sense or judgment; not rational b) excessive; immoderate; exorbitant SYN. IRRATIONAL unreasonableness n. unreasonably adv …   English World dictionary

  • unreasonable — Irrational; foolish; unwise; absurd; silly; preposterous; senseless; stupid. Southern Kansas State Lines Co. v. Public Service Commission, 135 Kan. 657, 11 P.2d 985, 987. Not reasonable; immoderate; exorbitant. Cass v. State, 124 Tex.Cr.R. 208,… …   Black's law dictionary

  • unreasonable — un|rea|son|a|ble [ ʌn riznəbl ] adjective * 1. ) not fair: Aren t you making unreasonable demands on her time? it is unreasonable to do something: It s extremely unreasonable to expect them to pay so much. not unreasonable: What we are asking is… …   Usage of the words and phrases in modern English

  • unreasonable */ — UK [ʌnˈriːz(ə)nəb(ə)l] / US [ʌnˈrɪz(ə)nəb(ə)l] adjective 1) a) not fair Aren t you making unreasonable demands on her time? it is unreasonable to do something: It s extremely unreasonable to expect them to pay so much. not unreasonable: What we… …   English dictionary