いちじるしい
remarkable; notable
著しい進歩があった。
There was remarkable progress.
Try pairing this adjective with nouns you already know to build useful phrases. Try to learn this with its opposite adjective for stronger memorization. N2 vocabulary — this word appears in formal writing and news articles.
From the JLP Quiz question bank — the word in the form it is actually tested in.
「著しい」の読み方は？
Answer: いちじるしい
「著しい」の意味として最も適切なものはどれですか。
Answer: 目立って大きい・はっきりしている
