不確実 ふかくじつ Meanings な-adjective, Noun uncertain; unreliable; inauthentic; insecure Kanji 不 un-. Read as フ. 確 certain. Read as カク. 実 real. Read as ジツ. Words containing 不確実 不確実性 (ふかくじつせい) uncertainty Jinuma: Japanese Dictionary · Word lists