Meaning of 豹変 in Japanese

Definition of 豹変

ひょうへん(hyouhen) 【豹変 ·ひょう変】

(n, vs) sudden change; complete change
君子は豹変する。
A wise man changes his mind, a fool never.

くんしひょうへん(kunshihyouhen) 【君子豹変】

(n) the wise readily adapt themselves to changed circumstances; the wise are quick to acknowledge their mistakes and correct them
(in colloquial usage, ironically or as an excuse) the wise make no scruple in suddenly changing their demeanor

くんしひょうへんす(kunshihyouhensu) 【君子豹変す】

君子くんしは豹変ひょうへんする。

A wise man changes his mind, a fool never.