得意先 とくいさき Meanings Noun (regular) customer; client; patron; clientele Kanji 得 gain. Read as トク. 意 mind 先 ahead. Read as さき. Example sentences その会社は将来お得意先になりそうな人々をパーティーに招待した。The company invited their prospective customers to the party. 私どもには数えられないほどたくさんのお得意先がございます。We have more customers than we can count. 得意先は責任者が誰か知りたがった。A customer wanted to know who the head honcho was. Jinuma: Japanese Dictionary · Word lists