修辞 (しゅうじ) uses the on'yomi 修 (シュウ), meaning to cultivate or refine, and 辞 (ジ), meaning words or language. Incorrect readings like しゅうぜい or しゅうじゃ misread 辞. しゅじ is a misreading of 修. It refers to the art of using language effectively and eloquently, often involving figures of speech and stylistic choices to enhance expression, i.e., rhetoric.

修辞（しゅうじ）は両漢字とも音読み。修（シュウ）は「おさめる」、辞（ジ）は「ことば」の意味。しゅうぜい・しゅうじゃは辞、しゅじは修の誤読です。言葉を美しく、効果的に用いる表現技法を指します。