What does 降参 mean?
降参 is a Japanese noun meaning “surrender; submission; capitulation” in English. It can also be translated as “being defeated (e.g. by a problem)” depending on context. It is written as 降参 in kanji, こうさん in hiragana, and kousan in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
海賊達には降参する以外に道はなかった。
The pirates had no choice but to surrender.