UNRE'ASONABLE, adjective s as z. 1. Not agreeable to reason. 2. Exceeding the bounds of reason; claiming or insisting on more than is fit; as an unreasonable demand. 3. Immoderate; exorbitant; as an unreasonable love of life or of money. 4. Irrational. [In this sense, see Irrational.]
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI