What does 困難 mean?
困難 is a Japanese noun meaning “difficulty, distress” in English. It can also be translated as “infeasibility” depending on context. It is written as 困難 in kanji, こんなん in hiragana, and konnan in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
彼の言ってる事を理解するのは困難だ。
I found it difficult to understand what he was saying.