noun
goodness; the good
Used as a noun meaning 'goodness' or 'that which is good', often in philosophical or abstract contexts. Can appear in set phrases like 良きにつけ悪しきにつけ.
彼は人間の良きを信じている。
He believes in the goodness of people.
pre-noun adjectival
Pre-noun adjectival form of 良い (よい), used directly before a noun. Slightly formal or literary compared to いい. Common in set expressions like 良き日, 良き友, or 良き時代.
See also: 良し
良き友に恵まれて幸せだ。
I am blessed with good friends.
今日は本当に良き日だ。
Today is truly a good day.
Classical Japanese pre-noun form of 良し (よし), the old terminal form of modern 良い (よい). The noun sense derives from nominalization of this form.