well-established 2022.12.06 well-establishedとは 意味・定義・例文 Adjective 形容詞 1. firmly set しっかりと固定された 2. having been used, done, or existed for a long period of time and therefore recognized and generally accepted; having taking root 確立した, 定着した, 定評のある, 揺るぎのない a well-established business[habit]