What does 保証 mean?
保証 is a Japanese noun meaning “guarantee, assurance, warranty” in English. It can also be translated as “warranty” depending on context. It is written as 保証 in kanji, ほしょう in hiragana, and hoshou in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
彼女の誠実さは私が保証します。
You have my word on her sincerity.