Also spelled onreasonable

US /ʌnˈɹiːz.(ə)nə.bl̩/
adj Freq #9665

Meanings

  1. 1
    adj

    Not fair or sensible; asking for more than is right

    It is unreasonable to expect staff to work without breaks.

  2. 2
    adj

    Beyond what is normal or acceptable; excessive

    They waited an unreasonable amount of time for their order.

Thesaurus

Synonyms
2 adj · beyond what is normal or... undue
Word family

Etymology

From Middle English unresonable, equivalent to un- + reasonable, originally partly after Latin irratiōnābilis.

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