Search gender: all male female Kenseki Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: kenseki Katakana: ケンセキ 0 Kanji: 研石 Meaning: 研Sharpening. To master the essence of things. 石Stone. Something made of stone. A metaphor for something hard. A metaphor for something that is inflexible. A mineral medicine. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Kenseki Name Meaning, Kanji Variations.