art martial japonais
mort(e)
fabuleux/fabuleuse
levee
No, French is not an adverb. French is an adjective that describes something related to or originating from France.
The French word "rogue" describes a person who is mischievous, deceitful, or dishonest. It can also refer to someone who behaves in a rebellious or unpredictable manner.
Karate is a Japanese word.
karāti is the Maori word for karate. It also means garage.
entrepeneur?
The French word "intelligent" translates to "intelligent" in English. It describes someone who is smart, clever, or quick-witted.
Masculine describes the gender of the French word baladeur. The masculine noun in its singular form translates as "music player" or "Walkman" in English. The pronunciation will be "ba-la-duhr" in French.
There really is no equivalent word for karate. Many will use the style of karate, such as Shidokan or Shotokan or Isshinryu, but that is a sub-set of karate rather than saying the same thing. And karate is a sub-set of martial arts, so that is not the same.
The French word "gentil" is both masculine and feminine. It does not change in form regardless of the gender of the noun it describes.