Definitions
to a degree that exceeds the bounds of reason or moderation
Word origin
From Middle English unresonably, equivalent to unreasonable + -ly, after resonably (whence reasonably) and (originally) Late Latin irratiōnābiliter.
Used in a sentence
“He behaved unreasonably.”
“Fye, you confine your ſelfe moſt vnreaſonably: Come, you muſt go viſit the good Lady that lies in.”
“Until then, the Sunak administration remains a study in ineffectuality on multiple fronts, leading Goldsmith to cite, not unreasonably, “a kind of paralysis”.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Beyond fair limits”12 letters
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