ku-adjective (archaic)
Archaic form of 難い (かたい). Used in classical Japanese; in modern language, 難しい (むずかしい) or 困難 (こんなん) are more common.
See also: 難い
In classical Japanese, 難し is written and read as かたし.
「難し」は現代語の「難しい」に相当する古い形容詞だ。
難し is an old adjective equivalent to modern 難しい.
Archaic form of 難い (かたい), from classical Japanese. The exact derivation is uncertain, but it shares the same root as modern 難しい (むずかしい).