unreasonable.
Without the ability to reason; unreasoning.
Meaning & usage
Without the ability to reason; unreasoning.
Not reasonable; going beyond what could be expected or asked for.
Where this word comes from
From Middle English unresonable, equivalent to un- + reasonable, originally partly after Latin irratiōnābilis.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.