Search gender: all male female Tsuyotoshi Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: tsuyotoshi Katakana: ツヨトシ 0 Kanji: 強寿 Meaning: 強Strong. To be vigorous. To force. 寿Long life. Life. Age. Celebration. Celebration of long life. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Tsuyotoshi Boy Name Meaning, Kanji Variations.