unreasonable - definition and synonyms


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  1. 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 not unreasonable.

     Synonyms and related words
    1. a.
      used about bad behaviour that you are annoyed about

      The evening was spoilt by the unreasonable conduct of some members of the audience.

  2. 2
    not sensible

    The price is completely unreasonable (=too high).

    it is unreasonable to do something:

    It’s unreasonable to attempt a project like that without computers.

derived word