慧けい敏びんMeanings1na-adjective, nounclever; quick-witted; sharprare termRare literary term for a person of keen intellect; not used in everyday conversation. Modern equivalents include 賢い or 頭が切れる.彼かれは慧けい敏びんな人じん物ぶつとして知しられていた。He was known as a person of quick intellect.その慧けい敏びんさには誰だれもが感かん心しんした。Everyone admired his sharpness of mind.