adminish verb2 •(no longer used) To reduce in size or magnitude; to diminish.Helth of the body is muche to be vvished, yet it is diuvers and sundry wayes mutable: strength of the body is of many much made of, yet is it by sicknes abated, by age adminished & vvasted. — 1579 •(no longer used) To administer or govern.The chief Magistrate in the adminishing Relief out of the publick Bounty, was greatly defrauded and deficient in his Accounts. — 1751 formsadminished · adminishing · adminishes