What does 確実 mean?
確実 is a Japanese noun meaning “certainty, reliability, soundness” in English. It is written as 確実 in kanji, かくじつ in hiragana, and kakujitsu in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
これは遅いけど確実な方法だ。
This is a slow but certain way.