私製 しせい Meanings の-adjective, Prefix privately-made (esp. postcard, mailing card, etc.); commercially-made; non-government; unofficial See also: 私製はがき (しせいはがき). Antonym: 官製 (かんせい). Kanji 私 private. Read as シ. 製 made. Read as セイ. Words containing 私製 私製はがき (しせいはがき) unofficial postcard Jinuma: Japanese Dictionary · Word lists