noun-modifying (irregular)
difficult to read; hard-to-read
Describes kanji, names, or text that are hard to read or decipher. Often used attributively (e.g., 難読漢字).
この書類には難読な漢字がたくさん使われている。
Many difficult-to-read kanji are used in this document.
難読地名を集めた本を買った。
I bought a book that collects hard-to-read place names.