noun
public; official; governmental
Refers to the public sphere, government, or state affairs, often contrasted with 私 (private). Used in formal and official contexts.
See also: 私
公の場で発言するのは緊張する。
Speaking in a public setting makes me nervous.
この問題は公にすべきではない。
This issue should not be made public.
noun, noun, used as a suffix
Historical title for high-ranking nobility, equivalent to duke or prince. Used in historical or fantasy contexts.
彼は公爵の位を授かった。
He was granted the title of duke.
物語には公と呼ばれる貴族が登場する。
A noble called a duke appears in the story.
suffix
Honorific suffix attached after the name of a high-ranking person, similar to 'Sir' or 'Lord'. Archaic or highly formal.
山田公はこの地を治めていた。
Lord Yamada ruled this land.
suffix
familiar or derogatory suffix
Suffix attached after a person, animal, etc., to express familiarity or mild derogation. Rare and somewhat old-fashioned.
昔の小説では、犬公などと呼ぶ表現が見られる。
In old novels, you can see expressions like calling a dog 'inu-kō'.