noun-modifying (irregular)
bad; wrong; evil; no good; wicked; reprehensible
Prenominal adjective used to describe something as morally bad, improper, or undesirable. Often appears in fixed phrases like 良からぬ噂 (unsavory rumor) or 良からぬ考え (wicked thought).
彼は良からぬ噂のある人物だ。
He is a person with unsavory rumors.
そんな良からぬ考えは捨てなさい。
Get rid of such wicked thoughts.