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Added 9 October 2026

unreasonable

/ʌnˈɹiːz.(ə)nə.bl̩/ adjective

In Latin: irratiōnābilis Wiktionary

adjective Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about unreasonable at Wordnik → Where our words come from →

Not reasonable; not showing good judgment.
Beyond normal limits.
excessive charges

Origin

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

From Wiktionary, via Kaikki.org (CC BY-SA)

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